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Finding the Fourth Proportional to 138,024.88, 207,013.83 and 44,530.63

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Solution

The fourth proportional to 138,024.88, 207,013.83 and 44,530.63 is: 66,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,024.88 : 207,013.83 = 44,530.63 : x
  2. Step 2: Convert to fraction form
    138,024.88/207,013.83 = 44,530.63/x
  3. Step 3: Cross multiply
    138,024.88x = 207,013.83 × 44,530.63
  4. Step 4: Simplify right side
    138,024.88x = 9,218,456,268.61
  5. Step 5: Solve for x
    x = 9,218,456,268.61/138,024.88
  6. Step 6: Final answer
    x = 66,788.37

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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.