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Finding the Fourth Proportional to 226,874.88, 313,092.80 and 136,234.66

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Solution

The fourth proportional to 226,874.88, 313,092.80 and 136,234.66 is: 188,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,874.88 : 313,092.80 = 136,234.66 : x
  2. Step 2: Convert to fraction form
    226,874.88/313,092.80 = 136,234.66/x
  3. Step 3: Cross multiply
    226,874.88x = 313,092.80 × 136,234.66
  4. Step 4: Simplify right side
    226,874.88x = 42,654,091,156.45
  5. Step 5: Solve for x
    x = 42,654,091,156.45/226,874.88
  6. Step 6: Final answer
    x = 188,007.11

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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.