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Finding the Fourth Proportional to 226,585.30, 339,987.30 and 159,881.80

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Solution

The fourth proportional to 226,585.30, 339,987.30 and 159,881.80 is: 239,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,585.30 : 339,987.30 = 159,881.80 : x
  2. Step 2: Convert to fraction form
    226,585.30/339,987.30 = 159,881.80/x
  3. Step 3: Cross multiply
    226,585.30x = 339,987.30 × 159,881.80
  4. Step 4: Simplify right side
    226,585.30x = 54,357,781,501.14
  5. Step 5: Solve for x
    x = 54,357,781,501.14/226,585.30
  6. Step 6: Final answer
    x = 239,899.86

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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.