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Finding the Fourth Proportional to 132,590.86, 198,866.54 and 43,844.83

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Solution

The fourth proportional to 132,590.86, 198,866.54 and 43,844.83 is: 65,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,590.86 : 198,866.54 = 43,844.83 : x
  2. Step 2: Convert to fraction form
    132,590.86/198,866.54 = 43,844.83/x
  3. Step 3: Cross multiply
    132,590.86x = 198,866.54 × 43,844.83
  4. Step 4: Simplify right side
    132,590.86x = 8,719,269,251.43
  5. Step 5: Solve for x
    x = 8,719,269,251.43/132,590.86
  6. Step 6: Final answer
    x = 65,760.71

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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.