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Finding the Fourth Proportional to 170,560.86, 255,841.90 and 52,231.68

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Solution

The fourth proportional to 170,560.86, 255,841.90 and 52,231.68 is: 78,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,560.86 : 255,841.90 = 52,231.68 : x
  2. Step 2: Convert to fraction form
    170,560.86/255,841.90 = 52,231.68/x
  3. Step 3: Cross multiply
    170,560.86x = 255,841.90 × 52,231.68
  4. Step 4: Simplify right side
    170,560.86x = 13,363,052,251.39
  5. Step 5: Solve for x
    x = 13,363,052,251.39/170,560.86
  6. Step 6: Final answer
    x = 78,347.71

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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.