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Finding the Fourth Proportional to 183,062.43, 252,619.13 and 100,275.10

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Solution

The fourth proportional to 183,062.43, 252,619.13 and 100,275.10 is: 138,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,062.43 : 252,619.13 = 100,275.10 : x
  2. Step 2: Convert to fraction form
    183,062.43/252,619.13 = 100,275.10/x
  3. Step 3: Cross multiply
    183,062.43x = 252,619.13 × 100,275.10
  4. Step 4: Simplify right side
    183,062.43x = 25,331,408,141.80
  5. Step 5: Solve for x
    x = 25,331,408,141.80/183,062.43
  6. Step 6: Final answer
    x = 138,375.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.