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Finding the Fourth Proportional to 67,452.48, 101,266.20 and 45,349.20

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Solution

The fourth proportional to 67,452.48, 101,266.20 and 45,349.20 is: 68,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,452.48 : 101,266.20 = 45,349.20 : x
  2. Step 2: Convert to fraction form
    67,452.48/101,266.20 = 45,349.20/x
  3. Step 3: Cross multiply
    67,452.48x = 101,266.20 × 45,349.20
  4. Step 4: Simplify right side
    67,452.48x = 4,592,341,157.04
  5. Step 5: Solve for x
    x = 4,592,341,157.04/67,452.48
  6. Step 6: Final answer
    x = 68,082.61

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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.