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Finding the Fourth Proportional to 125,167.97, 187,751.92 and 83,130.13

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Solution

The fourth proportional to 125,167.97, 187,751.92 and 83,130.13 is: 124,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.97 : 187,751.92 = 83,130.13 : x
  2. Step 2: Convert to fraction form
    125,167.97/187,751.92 = 83,130.13/x
  3. Step 3: Cross multiply
    125,167.97x = 187,751.92 × 83,130.13
  4. Step 4: Simplify right side
    125,167.97x = 15,607,841,101.70
  5. Step 5: Solve for x
    x = 15,607,841,101.70/125,167.97
  6. Step 6: Final answer
    x = 124,695.17

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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.