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Finding the Fourth Proportional to 68,243.13, 102,374.24 and 23,859.78

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Solution

The fourth proportional to 68,243.13, 102,374.24 and 23,859.78 is: 35,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,243.13 : 102,374.24 = 23,859.78 : x
  2. Step 2: Convert to fraction form
    68,243.13/102,374.24 = 23,859.78/x
  3. Step 3: Cross multiply
    68,243.13x = 102,374.24 × 23,859.78
  4. Step 4: Simplify right side
    68,243.13x = 2,442,626,724.77
  5. Step 5: Solve for x
    x = 2,442,626,724.77/68,243.13
  6. Step 6: Final answer
    x = 35,793.01

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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.