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Finding the Fourth Proportional to 127,794.11, 191,691.36 and 127,609.56

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Solution

The fourth proportional to 127,794.11, 191,691.36 and 127,609.56 is: 191,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,794.11 : 191,691.36 = 127,609.56 : x
  2. Step 2: Convert to fraction form
    127,794.11/191,691.36 = 127,609.56/x
  3. Step 3: Cross multiply
    127,794.11x = 191,691.36 × 127,609.56
  4. Step 4: Simplify right side
    127,794.11x = 24,461,650,105.40
  5. Step 5: Solve for x
    x = 24,461,650,105.40/127,794.11
  6. Step 6: Final answer
    x = 191,414.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.