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Finding the Fourth Proportional to 91,700.97, 137,572.11 and 32,536.55

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Solution

The fourth proportional to 91,700.97, 137,572.11 and 32,536.55 is: 48,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700.97 : 137,572.11 = 32,536.55 : x
  2. Step 2: Convert to fraction form
    91,700.97/137,572.11 = 32,536.55/x
  3. Step 3: Cross multiply
    91,700.97x = 137,572.11 × 32,536.55
  4. Step 4: Simplify right side
    91,700.97x = 4,476,121,147.76
  5. Step 5: Solve for x
    x = 4,476,121,147.76/91,700.97
  6. Step 6: Final answer
    x = 48,812.15

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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.