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Finding the Fourth Proportional to 150,538.89, 207,746.52 and 82,551.55

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Solution

The fourth proportional to 150,538.89, 207,746.52 and 82,551.55 is: 113,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,538.89 : 207,746.52 = 82,551.55 : x
  2. Step 2: Convert to fraction form
    150,538.89/207,746.52 = 82,551.55/x
  3. Step 3: Cross multiply
    150,538.89x = 207,746.52 × 82,551.55
  4. Step 4: Simplify right side
    150,538.89x = 17,149,797,201.93
  5. Step 5: Solve for x
    x = 17,149,797,201.93/150,538.89
  6. Step 6: Final answer
    x = 113,922.70

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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.