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Finding the Fourth Proportional to 138,004.62, 207,006.92 and 44,510.37

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Solution

The fourth proportional to 138,004.62, 207,006.92 and 44,510.37 is: 66,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,004.62 : 207,006.92 = 44,510.37 : x
  2. Step 2: Convert to fraction form
    138,004.62/207,006.92 = 44,510.37/x
  3. Step 3: Cross multiply
    138,004.62x = 207,006.92 × 44,510.37
  4. Step 4: Simplify right side
    138,004.62x = 9,213,954,601.76
  5. Step 5: Solve for x
    x = 9,213,954,601.76/138,004.62
  6. Step 6: Final answer
    x = 66,765.55

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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.