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Finding the Fourth Proportional to 95,452.80, 143,115.98 and 45,540.60

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Solution

The fourth proportional to 95,452.80, 143,115.98 and 45,540.60 is: 68,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,452.80 : 143,115.98 = 45,540.60 : x
  2. Step 2: Convert to fraction form
    95,452.80/143,115.98 = 45,540.60/x
  3. Step 3: Cross multiply
    95,452.80x = 143,115.98 × 45,540.60
  4. Step 4: Simplify right side
    95,452.80x = 6,517,587,598.79
  5. Step 5: Solve for x
    x = 6,517,587,598.79/95,452.80
  6. Step 6: Final answer
    x = 68,280.74

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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.