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Finding the Fourth Proportional to 64,082.20, 96,140.10 and 24,640.60

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Solution

The fourth proportional to 64,082.20, 96,140.10 and 24,640.60 is: 36,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.20 : 96,140.10 = 24,640.60 : x
  2. Step 2: Convert to fraction form
    64,082.20/96,140.10 = 24,640.60/x
  3. Step 3: Cross multiply
    64,082.20x = 96,140.10 × 24,640.60
  4. Step 4: Simplify right side
    64,082.20x = 2,368,949,748.06
  5. Step 5: Solve for x
    x = 2,368,949,748.06/64,082.20
  6. Step 6: Final answer
    x = 36,967.36

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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.