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Finding the Fourth Proportional to 125,661.87, 188,492.69 and 32,167.47

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Solution

The fourth proportional to 125,661.87, 188,492.69 and 32,167.47 is: 48,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,661.87 : 188,492.69 = 32,167.47 : x
  2. Step 2: Convert to fraction form
    125,661.87/188,492.69 = 32,167.47/x
  3. Step 3: Cross multiply
    125,661.87x = 188,492.69 × 32,167.47
  4. Step 4: Simplify right side
    125,661.87x = 6,063,332,789.96
  5. Step 5: Solve for x
    x = 6,063,332,789.96/125,661.87
  6. Step 6: Final answer
    x = 48,251.17

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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.