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Finding the Fourth Proportional to 95,382.70, 131,609.01 and 61,337.86

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Solution

The fourth proportional to 95,382.70, 131,609.01 and 61,337.86 is: 84,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,382.70 : 131,609.01 = 61,337.86 : x
  2. Step 2: Convert to fraction form
    95,382.70/131,609.01 = 61,337.86/x
  3. Step 3: Cross multiply
    95,382.70x = 131,609.01 × 61,337.86
  4. Step 4: Simplify right side
    95,382.70x = 8,072,615,030.12
  5. Step 5: Solve for x
    x = 8,072,615,030.12/95,382.70
  6. Step 6: Final answer
    x = 84,633.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.