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Finding the Fourth Proportional to 170,650.76, 255,975.20 and 44,290.92

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Solution

The fourth proportional to 170,650.76, 255,975.20 and 44,290.92 is: 66,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,650.76 : 255,975.20 = 44,290.92 : x
  2. Step 2: Convert to fraction form
    170,650.76/255,975.20 = 44,290.92/x
  3. Step 3: Cross multiply
    170,650.76x = 255,975.20 × 44,290.92
  4. Step 4: Simplify right side
    170,650.76x = 11,337,377,105.18
  5. Step 5: Solve for x
    x = 11,337,377,105.18/170,650.76
  6. Step 6: Final answer
    x = 66,436.14

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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.