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Finding the Fourth Proportional to 171,581.92, 257,350.90 and 45,232.10

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Solution

The fourth proportional to 171,581.92, 257,350.90 and 45,232.10 is: 67,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,581.92 : 257,350.90 = 45,232.10 : x
  2. Step 2: Convert to fraction form
    171,581.92/257,350.90 = 45,232.10/x
  3. Step 3: Cross multiply
    171,581.92x = 257,350.90 × 45,232.10
  4. Step 4: Simplify right side
    171,581.92x = 11,640,520,442.92
  5. Step 5: Solve for x
    x = 11,640,520,442.92/171,581.92
  6. Step 6: Final answer
    x = 67,842.35

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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.