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Finding the Fourth Proportional to 95,442.60, 143,109.90 and 36,280.20

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Solution

The fourth proportional to 95,442.60, 143,109.90 and 36,280.20 is: 54,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,442.60 : 143,109.90 = 36,280.20 : x
  2. Step 2: Convert to fraction form
    95,442.60/143,109.90 = 36,280.20/x
  3. Step 3: Cross multiply
    95,442.60x = 143,109.90 × 36,280.20
  4. Step 4: Simplify right side
    95,442.60x = 5,192,055,793.98
  5. Step 5: Solve for x
    x = 5,192,055,793.98/95,442.60
  6. Step 6: Final answer
    x = 54,399.77

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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.