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Finding the Fourth Proportional to 68,660.31, 102,991.08 and 24,294.59

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Solution

The fourth proportional to 68,660.31, 102,991.08 and 24,294.59 is: 36,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,660.31 : 102,991.08 = 24,294.59 : x
  2. Step 2: Convert to fraction form
    68,660.31/102,991.08 = 24,294.59/x
  3. Step 3: Cross multiply
    68,660.31x = 102,991.08 × 24,294.59
  4. Step 4: Simplify right side
    68,660.31x = 2,502,126,062.26
  5. Step 5: Solve for x
    x = 2,502,126,062.26/68,660.31
  6. Step 6: Final answer
    x = 36,442.10

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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.