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Finding the Fourth Proportional to 15,137,798.10, 22,706,697.15 and 15,137,798.10

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Solution

The fourth proportional to 15,137,798.10, 22,706,697.15 and 15,137,798.10 is: 22,706,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137,798.10 : 22,706,697.15 = 15,137,798.10 : x
  2. Step 2: Convert to fraction form
    15,137,798.10/22,706,697.15 = 15,137,798.10/x
  3. Step 3: Cross multiply
    15,137,798.10x = 22,706,697.15 × 15,137,798.10
  4. Step 4: Simplify right side
    15,137,798.10x = 343,729,396,974,545.38
  5. Step 5: Solve for x
    x = 343,729,396,974,545.38/15,137,798.10
  6. Step 6: Final answer
    x = 22,706,697.15

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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.