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Finding the Fourth Proportional to 167,337.75, 230,938.47 and 103,687.95

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Solution

The fourth proportional to 167,337.75, 230,938.47 and 103,687.95 is: 143,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,337.75 : 230,938.47 = 103,687.95 : x
  2. Step 2: Convert to fraction form
    167,337.75/230,938.47 = 103,687.95/x
  3. Step 3: Cross multiply
    167,337.75x = 230,938.47 × 103,687.95
  4. Step 4: Simplify right side
    167,337.75x = 23,945,536,530.44
  5. Step 5: Solve for x
    x = 23,945,536,530.44/167,337.75
  6. Step 6: Final answer
    x = 143,097.04

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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.