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Finding the Fourth Proportional to 125,048.48, 187,591.20 and 36,290.48

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Solution

The fourth proportional to 125,048.48, 187,591.20 and 36,290.48 is: 54,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,048.48 : 187,591.20 = 36,290.48 : x
  2. Step 2: Convert to fraction form
    125,048.48/187,591.20 = 36,290.48/x
  3. Step 3: Cross multiply
    125,048.48x = 187,591.20 × 36,290.48
  4. Step 4: Simplify right side
    125,048.48x = 6,807,774,691.78
  5. Step 5: Solve for x
    x = 6,807,774,691.78/125,048.48
  6. Step 6: Final answer
    x = 54,441.08

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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.