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Finding the Fourth Proportional to 88,081.92, 132,159.90 and 54,829.80

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Solution

The fourth proportional to 88,081.92, 132,159.90 and 54,829.80 is: 82,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081.92 : 132,159.90 = 54,829.80 : x
  2. Step 2: Convert to fraction form
    88,081.92/132,159.90 = 54,829.80/x
  3. Step 3: Cross multiply
    88,081.92x = 132,159.90 × 54,829.80
  4. Step 4: Simplify right side
    88,081.92x = 7,246,300,885.02
  5. Step 5: Solve for x
    x = 7,246,300,885.02/88,081.92
  6. Step 6: Final answer
    x = 82,267.74

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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.