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Finding the Fourth Proportional to 125,524.48, 173,248.32 and 77,799.04

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Solution

The fourth proportional to 125,524.48, 173,248.32 and 77,799.04 is: 107,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,524.48 : 173,248.32 = 77,799.04 : x
  2. Step 2: Convert to fraction form
    125,524.48/173,248.32 = 77,799.04/x
  3. Step 3: Cross multiply
    125,524.48x = 173,248.32 × 77,799.04
  4. Step 4: Simplify right side
    125,524.48x = 13,478,552,977.61
  5. Step 5: Solve for x
    x = 13,478,552,977.61/125,524.48
  6. Step 6: Final answer
    x = 107,377.88

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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.