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Finding the Fourth Proportional to 171,408.60, 257,144.10 and 59,104.92

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Solution

The fourth proportional to 171,408.60, 257,144.10 and 59,104.92 is: 88,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,408.60 : 257,144.10 = 59,104.92 : x
  2. Step 2: Convert to fraction form
    171,408.60/257,144.10 = 59,104.92/x
  3. Step 3: Cross multiply
    171,408.60x = 257,144.10 × 59,104.92
  4. Step 4: Simplify right side
    171,408.60x = 15,198,481,458.97
  5. Step 5: Solve for x
    x = 15,198,481,458.97/171,408.60
  6. Step 6: Final answer
    x = 88,668.14

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1.5x scale

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.