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Finding the Fourth Proportional to 125,488.48, 188,190.96 and 50,589.28

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Solution

The fourth proportional to 125,488.48, 188,190.96 and 50,589.28 is: 75,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.48 : 188,190.96 = 50,589.28 : x
  2. Step 2: Convert to fraction form
    125,488.48/188,190.96 = 50,589.28/x
  3. Step 3: Cross multiply
    125,488.48x = 188,190.96 × 50,589.28
  4. Step 4: Simplify right side
    125,488.48x = 9,520,445,168.91
  5. Step 5: Solve for x
    x = 9,520,445,168.91/125,488.48
  6. Step 6: Final answer
    x = 75,867.08

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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.