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Finding the Fourth Proportional to 168,335.38, 252,596.01 and 68,565.79

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Solution

The fourth proportional to 168,335.38, 252,596.01 and 68,565.79 is: 102,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,335.38 : 252,596.01 = 68,565.79 : x
  2. Step 2: Convert to fraction form
    168,335.38/252,596.01 = 68,565.79/x
  3. Step 3: Cross multiply
    168,335.38x = 252,596.01 × 68,565.79
  4. Step 4: Simplify right side
    168,335.38x = 17,319,444,976.50
  5. Step 5: Solve for x
    x = 17,319,444,976.50/168,335.38
  6. Step 6: Final answer
    x = 102,886.54

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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.