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Finding the Fourth Proportional to 171,772.57, 257,676.52 and 59,452.61

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Solution

The fourth proportional to 171,772.57, 257,676.52 and 59,452.61 is: 89,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,772.57 : 257,676.52 = 59,452.61 : x
  2. Step 2: Convert to fraction form
    171,772.57/257,676.52 = 59,452.61/x
  3. Step 3: Cross multiply
    171,772.57x = 257,676.52 × 59,452.61
  4. Step 4: Simplify right side
    171,772.57x = 15,319,540,881.68
  5. Step 5: Solve for x
    x = 15,319,540,881.68/171,772.57
  6. Step 6: Final answer
    x = 89,185.02

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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.