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Finding the Fourth Proportional to 123,791.82, 185,700.80 and 39,532.17

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Solution

The fourth proportional to 123,791.82, 185,700.80 and 39,532.17 is: 59,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,791.82 : 185,700.80 = 39,532.17 : x
  2. Step 2: Convert to fraction form
    123,791.82/185,700.80 = 39,532.17/x
  3. Step 3: Cross multiply
    123,791.82x = 185,700.80 × 39,532.17
  4. Step 4: Simplify right side
    123,791.82x = 7,341,155,397.08
  5. Step 5: Solve for x
    x = 7,341,155,397.08/123,791.82
  6. Step 6: Final answer
    x = 59,302.43

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1.5x scale

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.