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Finding the Fourth Proportional to 68,866,904.70, 103,300,357.05 and 68,866,904.70

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Solution

The fourth proportional to 68,866,904.70, 103,300,357.05 and 68,866,904.70 is: 103,300,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866,904.70 : 103,300,357.05 = 68,866,904.70 : x
  2. Step 2: Convert to fraction form
    68,866,904.70/103,300,357.05 = 68,866,904.70/x
  3. Step 3: Cross multiply
    68,866,904.70x = 103,300,357.05 × 68,866,904.70
  4. Step 4: Simplify right side
    68,866,904.70x = 7,113,975,844,438,323
  5. Step 5: Solve for x
    x = 7,113,975,844,438,323/68,866,904.70
  6. Step 6: Final answer
    x = 103,300,357.05

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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.