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Finding the Fourth Proportional to 79,877.60, 119,833.41 and 23,717.87

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Solution

The fourth proportional to 79,877.60, 119,833.41 and 23,717.87 is: 35,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,877.60 : 119,833.41 = 23,717.87 : x
  2. Step 2: Convert to fraction form
    79,877.60/119,833.41 = 23,717.87/x
  3. Step 3: Cross multiply
    79,877.60x = 119,833.41 × 23,717.87
  4. Step 4: Simplify right side
    79,877.60x = 2,842,193,240.04
  5. Step 5: Solve for x
    x = 2,842,193,240.04/79,877.60
  6. Step 6: Final answer
    x = 35,581.86

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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.