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Finding the Fourth Proportional to 442,500.80, 663,753.60 and 110,076.80

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Solution

The fourth proportional to 442,500.80, 663,753.60 and 110,076.80 is: 165,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,500.80 : 663,753.60 = 110,076.80 : x
  2. Step 2: Convert to fraction form
    442,500.80/663,753.60 = 110,076.80/x
  3. Step 3: Cross multiply
    442,500.80x = 663,753.60 × 110,076.80
  4. Step 4: Simplify right side
    442,500.80x = 73,063,872,276.48
  5. Step 5: Solve for x
    x = 73,063,872,276.48/442,500.80
  6. Step 6: Final answer
    x = 165,115.80

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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.