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Finding the Fourth Proportional to 68,851.24, 103,256.18 and 24,472.16

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Solution

The fourth proportional to 68,851.24, 103,256.18 and 24,472.16 is: 36,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,851.24 : 103,256.18 = 24,472.16 : x
  2. Step 2: Convert to fraction form
    68,851.24/103,256.18 = 24,472.16/x
  3. Step 3: Cross multiply
    68,851.24x = 103,256.18 × 24,472.16
  4. Step 4: Simplify right side
    68,851.24x = 2,526,901,757.95
  5. Step 5: Solve for x
    x = 2,526,901,757.95/68,851.24
  6. Step 6: Final answer
    x = 36,700.89

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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.