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Finding the Fourth Proportional to 73,766,280.90, 103,423,958.70 and 73,766,280.90

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Solution

The fourth proportional to 73,766,280.90, 103,423,958.70 and 73,766,280.90 is: 103,423,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,766,280.90 : 103,423,958.70 = 73,766,280.90 : x
  2. Step 2: Convert to fraction form
    73,766,280.90/103,423,958.70 = 73,766,280.90/x
  3. Step 3: Cross multiply
    73,766,280.90x = 103,423,958.70 × 73,766,280.90
  4. Step 4: Simplify right side
    73,766,280.90x = 7,629,200,789,254,200
  5. Step 5: Solve for x
    x = 7,629,200,789,254,200/73,766,280.90
  6. Step 6: Final answer
    x = 103,423,958.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.