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Finding the Fourth Proportional to 151,265.69, 226,793.52 and 66,979.93

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Solution

The fourth proportional to 151,265.69, 226,793.52 and 66,979.93 is: 100,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,265.69 : 226,793.52 = 66,979.93 : x
  2. Step 2: Convert to fraction form
    151,265.69/226,793.52 = 66,979.93/x
  3. Step 3: Cross multiply
    151,265.69x = 226,793.52 × 66,979.93
  4. Step 4: Simplify right side
    151,265.69x = 15,190,613,952.31
  5. Step 5: Solve for x
    x = 15,190,613,952.31/151,265.69
  6. Step 6: Final answer
    x = 100,423.39

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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.