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Finding the Fourth Proportional to 168,608.68, 252,721.02 and 56,262.52

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Solution

The fourth proportional to 168,608.68, 252,721.02 and 56,262.52 is: 84,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,608.68 : 252,721.02 = 56,262.52 : x
  2. Step 2: Convert to fraction form
    168,608.68/252,721.02 = 56,262.52/x
  3. Step 3: Cross multiply
    168,608.68x = 252,721.02 × 56,262.52
  4. Step 4: Simplify right side
    168,608.68x = 14,218,721,442.17
  5. Step 5: Solve for x
    x = 14,218,721,442.17/168,608.68
  6. Step 6: Final answer
    x = 84,329.71

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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.