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Finding the Fourth Proportional to 68,046.29, 101,851.05 and 36,377.18

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Solution

The fourth proportional to 68,046.29, 101,851.05 and 36,377.18 is: 54,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,046.29 : 101,851.05 = 36,377.18 : x
  2. Step 2: Convert to fraction form
    68,046.29/101,851.05 = 36,377.18/x
  3. Step 3: Cross multiply
    68,046.29x = 101,851.05 × 36,377.18
  4. Step 4: Simplify right side
    68,046.29x = 3,705,053,979.04
  5. Step 5: Solve for x
    x = 3,705,053,979.04/68,046.29
  6. Step 6: Final answer
    x = 54,449.02

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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.