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Finding the Fourth Proportional to 103,428,295,225.60, 155,142,442,838.43 and 103,428,295,225.60

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Solution

The fourth proportional to 103,428,295,225.60, 155,142,442,838.43 and 103,428,295,225.60 is: 155,142,442,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,428,295,225.60 : 155,142,442,838.43 = 103,428,295,225.60 : x
  2. Step 2: Convert to fraction form
    103,428,295,225.60/155,142,442,838.43 = 103,428,295,225.60/x
  3. Step 3: Cross multiply
    103,428,295,225.60x = 155,142,442,838.43 × 103,428,295,225.60
  4. Step 4: Simplify right side
    103,428,295,225.60x = 16,046,118,379,913,910,157,312
  5. Step 5: Solve for x
    x = 16,046,118,379,913,910,157,312/103,428,295,225.60
  6. Step 6: Final answer
    x = 155,142,442,838.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.