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Finding the Fourth Proportional to 125,882.62, 173,722.41 and 68,526.66

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Solution

The fourth proportional to 125,882.62, 173,722.41 and 68,526.66 is: 94,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,882.62 : 173,722.41 = 68,526.66 : x
  2. Step 2: Convert to fraction form
    125,882.62/173,722.41 = 68,526.66/x
  3. Step 3: Cross multiply
    125,882.62x = 173,722.41 × 68,526.66
  4. Step 4: Simplify right side
    125,882.62x = 11,904,616,524.45
  5. Step 5: Solve for x
    x = 11,904,616,524.45/125,882.62
  6. Step 6: Final answer
    x = 94,569.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.