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Finding the Fourth Proportional to 167,221.50, 230,750.38 and 99,226.76

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Solution

The fourth proportional to 167,221.50, 230,750.38 and 99,226.76 is: 136,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,221.50 : 230,750.38 = 99,226.76 : x
  2. Step 2: Convert to fraction form
    167,221.50/230,750.38 = 99,226.76/x
  3. Step 3: Cross multiply
    167,221.50x = 230,750.38 × 99,226.76
  4. Step 4: Simplify right side
    167,221.50x = 22,896,612,576.17
  5. Step 5: Solve for x
    x = 22,896,612,576.17/167,221.50
  6. Step 6: Final answer
    x = 136,923.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.