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Finding the Fourth Proportional to 68,248.67, 102,387.59 and 23,876.87

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Solution

The fourth proportional to 68,248.67, 102,387.59 and 23,876.87 is: 35,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,248.67 : 102,387.59 = 23,876.87 : x
  2. Step 2: Convert to fraction form
    68,248.67/102,387.59 = 23,876.87/x
  3. Step 3: Cross multiply
    68,248.67x = 102,387.59 × 23,876.87
  4. Step 4: Simplify right side
    68,248.67x = 2,444,695,432.01
  5. Step 5: Solve for x
    x = 2,444,695,432.01/68,248.67
  6. Step 6: Final answer
    x = 35,820.41

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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.