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Finding the Fourth Proportional to 168,282.56, 252,216.16 and 93,339.20

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Solution

The fourth proportional to 168,282.56, 252,216.16 and 93,339.20 is: 139,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,282.56 : 252,216.16 = 93,339.20 : x
  2. Step 2: Convert to fraction form
    168,282.56/252,216.16 = 93,339.20/x
  3. Step 3: Cross multiply
    168,282.56x = 252,216.16 × 93,339.20
  4. Step 4: Simplify right side
    168,282.56x = 23,541,654,601.47
  5. Step 5: Solve for x
    x = 23,541,654,601.47/168,282.56
  6. Step 6: Final answer
    x = 139,893.61

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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.