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Finding the Fourth Proportional to 110,456.88, 165,591.72 and 48,079.92

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Solution

The fourth proportional to 110,456.88, 165,591.72 and 48,079.92 is: 72,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,456.88 : 165,591.72 = 48,079.92 : x
  2. Step 2: Convert to fraction form
    110,456.88/165,591.72 = 48,079.92/x
  3. Step 3: Cross multiply
    110,456.88x = 165,591.72 × 48,079.92
  4. Step 4: Simplify right side
    110,456.88x = 7,961,636,650.26
  5. Step 5: Solve for x
    x = 7,961,636,650.26/110,456.88
  6. Step 6: Final answer
    x = 72,079.14

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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.