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Finding the Fourth Proportional to 125,689.77, 188,534.70 and 36,943.29

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Solution

The fourth proportional to 125,689.77, 188,534.70 and 36,943.29 is: 55,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,689.77 : 188,534.70 = 36,943.29 : x
  2. Step 2: Convert to fraction form
    125,689.77/188,534.70 = 36,943.29/x
  3. Step 3: Cross multiply
    125,689.77x = 188,534.70 × 36,943.29
  4. Step 4: Simplify right side
    125,689.77x = 6,965,092,097.16
  5. Step 5: Solve for x
    x = 6,965,092,097.16/125,689.77
  6. Step 6: Final answer
    x = 55,414.95

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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.