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Finding the Fourth Proportional to 167,165.06, 230,691.84 and 91,713.56

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Solution

The fourth proportional to 167,165.06, 230,691.84 and 91,713.56 is: 126,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,165.06 : 230,691.84 = 91,713.56 : x
  2. Step 2: Convert to fraction form
    167,165.06/230,691.84 = 91,713.56/x
  3. Step 3: Cross multiply
    167,165.06x = 230,691.84 × 91,713.56
  4. Step 4: Simplify right side
    167,165.06x = 21,157,569,909.35
  5. Step 5: Solve for x
    x = 21,157,569,909.35/167,165.06
  6. Step 6: Final answer
    x = 126,566.94

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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.