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Finding the Fourth Proportional to 171,499.58, 257,278.31 and 59,149.75

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Solution

The fourth proportional to 171,499.58, 257,278.31 and 59,149.75 is: 88,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,499.58 : 257,278.31 = 59,149.75 : x
  2. Step 2: Convert to fraction form
    171,499.58/257,278.31 = 59,149.75/x
  3. Step 3: Cross multiply
    171,499.58x = 257,278.31 × 59,149.75
  4. Step 4: Simplify right side
    171,499.58x = 15,217,946,777.98
  5. Step 5: Solve for x
    x = 15,217,946,777.98/171,499.58
  6. Step 6: Final answer
    x = 88,734.60

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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.