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Finding the Fourth Proportional to 171,863.38, 257,733.55 and 59,513.43

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Solution

The fourth proportional to 171,863.38, 257,733.55 and 59,513.43 is: 89,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,863.38 : 257,733.55 = 59,513.43 : x
  2. Step 2: Convert to fraction form
    171,863.38/257,733.55 = 59,513.43/x
  3. Step 3: Cross multiply
    171,863.38x = 257,733.55 × 59,513.43
  4. Step 4: Simplify right side
    171,863.38x = 15,338,607,586.58
  5. Step 5: Solve for x
    x = 15,338,607,586.58/171,863.38
  6. Step 6: Final answer
    x = 89,248.84

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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.