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Finding the Fourth Proportional to 168,512.76, 252,795.06 and 63,339.12

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Solution

The fourth proportional to 168,512.76, 252,795.06 and 63,339.12 is: 95,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,512.76 : 252,795.06 = 63,339.12 : x
  2. Step 2: Convert to fraction form
    168,512.76/252,795.06 = 63,339.12/x
  3. Step 3: Cross multiply
    168,512.76x = 252,795.06 × 63,339.12
  4. Step 4: Simplify right side
    168,512.76x = 16,011,816,640.75
  5. Step 5: Solve for x
    x = 16,011,816,640.75/168,512.76
  6. Step 6: Final answer
    x = 95,018.42

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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.