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Finding the Fourth Proportional to 71,359.84, 107,052.13 and 23,979.56

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Solution

The fourth proportional to 71,359.84, 107,052.13 and 23,979.56 is: 35,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.84 : 107,052.13 = 23,979.56 : x
  2. Step 2: Convert to fraction form
    71,359.84/107,052.13 = 23,979.56/x
  3. Step 3: Cross multiply
    71,359.84x = 107,052.13 × 23,979.56
  4. Step 4: Simplify right side
    71,359.84x = 2,567,062,974.46
  5. Step 5: Solve for x
    x = 2,567,062,974.46/71,359.84
  6. Step 6: Final answer
    x = 35,973.50

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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.