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Finding the Fourth Proportional to 170,650.79, 255,891.92 and 52,293.59

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Solution

The fourth proportional to 170,650.79, 255,891.92 and 52,293.59 is: 78,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,650.79 : 255,891.92 = 52,293.59 : x
  2. Step 2: Convert to fraction form
    170,650.79/255,891.92 = 52,293.59/x
  3. Step 3: Cross multiply
    170,650.79x = 255,891.92 × 52,293.59
  4. Step 4: Simplify right side
    170,650.79x = 13,381,505,607.87
  5. Step 5: Solve for x
    x = 13,381,505,607.87/170,650.79
  6. Step 6: Final answer
    x = 78,414.56

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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.