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Finding the Fourth Proportional to 125,306.88, 187,968.51 and 36,552.96

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Solution

The fourth proportional to 125,306.88, 187,968.51 and 36,552.96 is: 54,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,306.88 : 187,968.51 = 36,552.96 : x
  2. Step 2: Convert to fraction form
    125,306.88/187,968.51 = 36,552.96/x
  3. Step 3: Cross multiply
    125,306.88x = 187,968.51 × 36,552.96
  4. Step 4: Simplify right side
    125,306.88x = 6,870,805,427.29
  5. Step 5: Solve for x
    x = 6,870,805,427.29/125,306.88
  6. Step 6: Final answer
    x = 54,831.83

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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.