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Finding the Fourth Proportional to 119,598.52, 165,046.80 and 68,613.48

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Solution

The fourth proportional to 119,598.52, 165,046.80 and 68,613.48 is: 94,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,598.52 : 165,046.80 = 68,613.48 : x
  2. Step 2: Convert to fraction form
    119,598.52/165,046.80 = 68,613.48/x
  3. Step 3: Cross multiply
    119,598.52x = 165,046.80 × 68,613.48
  4. Step 4: Simplify right side
    119,598.52x = 11,324,435,310.86
  5. Step 5: Solve for x
    x = 11,324,435,310.86/119,598.52
  6. Step 6: Final answer
    x = 94,687.09

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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.