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Finding the Fourth Proportional to 171,585.68, 236,788.08 and 96,134.72

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Solution

The fourth proportional to 171,585.68, 236,788.08 and 96,134.72 is: 132,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,585.68 : 236,788.08 = 96,134.72 : x
  2. Step 2: Convert to fraction form
    171,585.68/236,788.08 = 96,134.72/x
  3. Step 3: Cross multiply
    171,585.68x = 236,788.08 × 96,134.72
  4. Step 4: Simplify right side
    171,585.68x = 22,763,555,770.14
  5. Step 5: Solve for x
    x = 22,763,555,770.14/171,585.68
  6. Step 6: Final answer
    x = 132,665.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.