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Finding the Fourth Proportional to 171,407.60, 257,142.60 and 59,103.92

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Solution

The fourth proportional to 171,407.60, 257,142.60 and 59,103.92 is: 88,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,407.60 : 257,142.60 = 59,103.92 : x
  2. Step 2: Convert to fraction form
    171,407.60/257,142.60 = 59,103.92/x
  3. Step 3: Cross multiply
    171,407.60x = 257,142.60 × 59,103.92
  4. Step 4: Simplify right side
    171,407.60x = 15,198,135,658.99
  5. Step 5: Solve for x
    x = 15,198,135,658.99/171,407.60
  6. Step 6: Final answer
    x = 88,666.64

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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.