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Finding the Fourth Proportional to 227,204.40, 313,565.40 and 136,589.88

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Solution

The fourth proportional to 227,204.40, 313,565.40 and 136,589.88 is: 188,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,204.40 : 313,565.40 = 136,589.88 : x
  2. Step 2: Convert to fraction form
    227,204.40/313,565.40 = 136,589.88/x
  3. Step 3: Cross multiply
    227,204.40x = 313,565.40 × 136,589.88
  4. Step 4: Simplify right side
    227,204.40x = 42,829,860,358.15
  5. Step 5: Solve for x
    x = 42,829,860,358.15/227,204.40
  6. Step 6: Final answer
    x = 188,508.06

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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.