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Finding the Fourth Proportional to 141,174.20, 211,843.92 and 52,488.92

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Solution

The fourth proportional to 141,174.20, 211,843.92 and 52,488.92 is: 78,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,174.20 : 211,843.92 = 52,488.92 : x
  2. Step 2: Convert to fraction form
    141,174.20/211,843.92 = 52,488.92/x
  3. Step 3: Cross multiply
    141,174.20x = 211,843.92 × 52,488.92
  4. Step 4: Simplify right side
    141,174.20x = 11,119,458,569.37
  5. Step 5: Solve for x
    x = 11,119,458,569.37/141,174.20
  6. Step 6: Final answer
    x = 78,764.10

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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.