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Finding the Fourth Proportional to 225,967.39, 338,714.56 and 76,155.86

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Solution

The fourth proportional to 225,967.39, 338,714.56 and 76,155.86 is: 114,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,967.39 : 338,714.56 = 76,155.86 : x
  2. Step 2: Convert to fraction form
    225,967.39/338,714.56 = 76,155.86/x
  3. Step 3: Cross multiply
    225,967.39x = 338,714.56 × 76,155.86
  4. Step 4: Simplify right side
    225,967.39x = 25,795,099,553.30
  5. Step 5: Solve for x
    x = 25,795,099,553.30/225,967.39
  6. Step 6: Final answer
    x = 114,154.08

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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.