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Finding the Fourth Proportional to 68,370.71, 102,568.10 and 23,381.49

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Solution

The fourth proportional to 68,370.71, 102,568.10 and 23,381.49 is: 35,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.71 : 102,568.10 = 23,381.49 : x
  2. Step 2: Convert to fraction form
    68,370.71/102,568.10 = 23,381.49/x
  3. Step 3: Cross multiply
    68,370.71x = 102,568.10 × 23,381.49
  4. Step 4: Simplify right side
    68,370.71x = 2,398,194,374.72
  5. Step 5: Solve for x
    x = 2,398,194,374.72/68,370.71
  6. Step 6: Final answer
    x = 35,076.34

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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.