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Finding the Fourth Proportional to 227,573.74, 313,950.09 and 136,876.42

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Solution

The fourth proportional to 227,573.74, 313,950.09 and 136,876.42 is: 188,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,573.74 : 313,950.09 = 136,876.42 : x
  2. Step 2: Convert to fraction form
    227,573.74/313,950.09 = 136,876.42/x
  3. Step 3: Cross multiply
    227,573.74x = 313,950.09 × 136,876.42
  4. Step 4: Simplify right side
    227,573.74x = 42,972,364,377.88
  5. Step 5: Solve for x
    x = 42,972,364,377.88/227,573.74
  6. Step 6: Final answer
    x = 188,828.31

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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.