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Finding the Fourth Proportional to 168,865.52, 253,228.20 and 62,255.55

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Solution

The fourth proportional to 168,865.52, 253,228.20 and 62,255.55 is: 93,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,865.52 : 253,228.20 = 62,255.55 : x
  2. Step 2: Convert to fraction form
    168,865.52/253,228.20 = 62,255.55/x
  3. Step 3: Cross multiply
    168,865.52x = 253,228.20 × 62,255.55
  4. Step 4: Simplify right side
    168,865.52x = 15,764,859,833.83
  5. Step 5: Solve for x
    x = 15,764,859,833.83/168,865.52
  6. Step 6: Final answer
    x = 93,357.48

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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.