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Finding the Fourth Proportional to 79,873.92, 119,827.40 and 32,489.04

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Solution

The fourth proportional to 79,873.92, 119,827.40 and 32,489.04 is: 48,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873.92 : 119,827.40 = 32,489.04 : x
  2. Step 2: Convert to fraction form
    79,873.92/119,827.40 = 32,489.04/x
  3. Step 3: Cross multiply
    79,873.92x = 119,827.40 × 32,489.04
  4. Step 4: Simplify right side
    79,873.92x = 3,893,077,191.70
  5. Step 5: Solve for x
    x = 3,893,077,191.70/79,873.92
  6. Step 6: Final answer
    x = 48,740.28

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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.