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Finding the Fourth Proportional to 193,712.96, 267,311.40 and 108,827.12

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Solution

The fourth proportional to 193,712.96, 267,311.40 and 108,827.12 is: 150,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,712.96 : 267,311.40 = 108,827.12 : x
  2. Step 2: Convert to fraction form
    193,712.96/267,311.40 = 108,827.12/x
  3. Step 3: Cross multiply
    193,712.96x = 267,311.40 × 108,827.12
  4. Step 4: Simplify right side
    193,712.96x = 29,090,729,805.17
  5. Step 5: Solve for x
    x = 29,090,729,805.17/193,712.96
  6. Step 6: Final answer
    x = 150,174.41

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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.