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Finding the Fourth Proportional to 125,488.85, 188,219.50 and 36,743.22

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Solution

The fourth proportional to 125,488.85, 188,219.50 and 36,743.22 is: 55,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.85 : 188,219.50 = 36,743.22 : x
  2. Step 2: Convert to fraction form
    125,488.85/188,219.50 = 36,743.22/x
  3. Step 3: Cross multiply
    125,488.85x = 188,219.50 × 36,743.22
  4. Step 4: Simplify right side
    125,488.85x = 6,915,790,404.93
  5. Step 5: Solve for x
    x = 6,915,790,404.93/125,488.85
  6. Step 6: Final answer
    x = 55,110.80

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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.