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Finding the Fourth Proportional to 151,005.80, 226,451.10 and 45,789.80

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Solution

The fourth proportional to 151,005.80, 226,451.10 and 45,789.80 is: 68,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.80 : 226,451.10 = 45,789.80 : x
  2. Step 2: Convert to fraction form
    151,005.80/226,451.10 = 45,789.80/x
  3. Step 3: Cross multiply
    151,005.80x = 226,451.10 × 45,789.80
  4. Step 4: Simplify right side
    151,005.80x = 10,369,150,578.78
  5. Step 5: Solve for x
    x = 10,369,150,578.78/151,005.80
  6. Step 6: Final answer
    x = 68,667.23

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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.