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Finding the Fourth Proportional to 71,062.11, 106,557.50 and 23,660.50

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Solution

The fourth proportional to 71,062.11, 106,557.50 and 23,660.50 is: 35,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,062.11 : 106,557.50 = 23,660.50 : x
  2. Step 2: Convert to fraction form
    71,062.11/106,557.50 = 23,660.50/x
  3. Step 3: Cross multiply
    71,062.11x = 106,557.50 × 23,660.50
  4. Step 4: Simplify right side
    71,062.11x = 2,521,204,054.30
  5. Step 5: Solve for x
    x = 2,521,204,054.30/71,062.11
  6. Step 6: Final answer
    x = 35,478.88

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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.