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Finding the Fourth Proportional to 125,543.32, 188,154.84 and 58,836.32

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Solution

The fourth proportional to 125,543.32, 188,154.84 and 58,836.32 is: 88,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,543.32 : 188,154.84 = 58,836.32 : x
  2. Step 2: Convert to fraction form
    125,543.32/188,154.84 = 58,836.32/x
  3. Step 3: Cross multiply
    125,543.32x = 188,154.84 × 58,836.32
  4. Step 4: Simplify right side
    125,543.32x = 11,070,338,375.79
  5. Step 5: Solve for x
    x = 11,070,338,375.79/125,543.32
  6. Step 6: Final answer
    x = 88,179.43

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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.