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Finding the Fourth Proportional to 168,565.42, 252,857.86 and 63,385.30

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Solution

The fourth proportional to 168,565.42, 252,857.86 and 63,385.30 is: 95,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,565.42 : 252,857.86 = 63,385.30 : x
  2. Step 2: Convert to fraction form
    168,565.42/252,857.86 = 63,385.30/x
  3. Step 3: Cross multiply
    168,565.42x = 252,857.86 × 63,385.30
  4. Step 4: Simplify right side
    168,565.42x = 16,027,471,313.46
  5. Step 5: Solve for x
    x = 16,027,471,313.46/168,565.42
  6. Step 6: Final answer
    x = 95,081.61

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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.