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Finding the Fourth Proportional to 71,089.71, 106,700.17 and 36,053.97

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Solution

The fourth proportional to 71,089.71, 106,700.17 and 36,053.97 is: 54,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,089.71 : 106,700.17 = 36,053.97 : x
  2. Step 2: Convert to fraction form
    71,089.71/106,700.17 = 36,053.97/x
  3. Step 3: Cross multiply
    71,089.71x = 106,700.17 × 36,053.97
  4. Step 4: Simplify right side
    71,089.71x = 3,846,964,728.17
  5. Step 5: Solve for x
    x = 3,846,964,728.17/71,089.71
  6. Step 6: Final answer
    x = 54,114.23

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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.