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Finding the Fourth Proportional to 193,750.76, 267,399.96 and 108,866

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Solution

The fourth proportional to 193,750.76, 267,399.96 and 108,866 is: 150,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,750.76 : 267,399.96 = 108,866 : x
  2. Step 2: Convert to fraction form
    193,750.76/267,399.96 = 108,866/x
  3. Step 3: Cross multiply
    193,750.76x = 267,399.96 × 108,866
  4. Step 4: Simplify right side
    193,750.76x = 29,110,764,045.36
  5. Step 5: Solve for x
    x = 29,110,764,045.36/193,750.76
  6. Step 6: Final answer
    x = 150,248.52

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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.