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Finding the Fourth Proportional to 193,691.91, 267,301.71 and 107,652.60

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Solution

The fourth proportional to 193,691.91, 267,301.71 and 107,652.60 is: 148,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,691.91 : 267,301.71 = 107,652.60 : x
  2. Step 2: Convert to fraction form
    193,691.91/267,301.71 = 107,652.60/x
  3. Step 3: Cross multiply
    193,691.91x = 267,301.71 × 107,652.60
  4. Step 4: Simplify right side
    193,691.91x = 28,775,724,065.95
  5. Step 5: Solve for x
    x = 28,775,724,065.95/193,691.91
  6. Step 6: Final answer
    x = 148,564.41

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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.