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Finding the Fourth Proportional to 226,843.20, 313,077.96 and 136,248.96

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Solution

The fourth proportional to 226,843.20, 313,077.96 and 136,248.96 is: 188,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,843.20 : 313,077.96 = 136,248.96 : x
  2. Step 2: Convert to fraction form
    226,843.20/313,077.96 = 136,248.96/x
  3. Step 3: Cross multiply
    226,843.20x = 313,077.96 × 136,248.96
  4. Step 4: Simplify right side
    226,843.20x = 42,656,546,448.92
  5. Step 5: Solve for x
    x = 42,656,546,448.92/226,843.20
  6. Step 6: Final answer
    x = 188,044.19

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1.5x scale

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.