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Finding the Fourth Proportional to 125,952.40, 188,928.60 and 41,689.90

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Solution

The fourth proportional to 125,952.40, 188,928.60 and 41,689.90 is: 62,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,952.40 : 188,928.60 = 41,689.90 : x
  2. Step 2: Convert to fraction form
    125,952.40/188,928.60 = 41,689.90/x
  3. Step 3: Cross multiply
    125,952.40x = 188,928.60 × 41,689.90
  4. Step 4: Simplify right side
    125,952.40x = 7,876,414,441.14
  5. Step 5: Solve for x
    x = 7,876,414,441.14/125,952.40
  6. Step 6: Final answer
    x = 62,534.85

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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.