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Finding the Fourth Proportional to 171,986.44, 257,960.20 and 59,645.92

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Solution

The fourth proportional to 171,986.44, 257,960.20 and 59,645.92 is: 89,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,986.44 : 257,960.20 = 59,645.92 : x
  2. Step 2: Convert to fraction form
    171,986.44/257,960.20 = 59,645.92/x
  3. Step 3: Cross multiply
    171,986.44x = 257,960.20 × 59,645.92
  4. Step 4: Simplify right side
    171,986.44x = 15,386,273,452.38
  5. Step 5: Solve for x
    x = 15,386,273,452.38/171,986.44
  6. Step 6: Final answer
    x = 89,462.13

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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.