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Finding the Fourth Proportional to 167,231.56, 230,764.17 and 99,236.82

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Solution

The fourth proportional to 167,231.56, 230,764.17 and 99,236.82 is: 136,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,231.56 : 230,764.17 = 99,236.82 : x
  2. Step 2: Convert to fraction form
    167,231.56/230,764.17 = 99,236.82/x
  3. Step 3: Cross multiply
    167,231.56x = 230,764.17 × 99,236.82
  4. Step 4: Simplify right side
    167,231.56x = 22,900,302,400.74
  5. Step 5: Solve for x
    x = 22,900,302,400.74/167,231.56
  6. Step 6: Final answer
    x = 136,937.68

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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.