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Finding the Fourth Proportional to 136,301.76, 204,383.95 and 79,393.97

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Solution

The fourth proportional to 136,301.76, 204,383.95 and 79,393.97 is: 119,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,301.76 : 204,383.95 = 79,393.97 : x
  2. Step 2: Convert to fraction form
    136,301.76/204,383.95 = 79,393.97/x
  3. Step 3: Cross multiply
    136,301.76x = 204,383.95 × 79,393.97
  4. Step 4: Simplify right side
    136,301.76x = 16,226,853,507.26
  5. Step 5: Solve for x
    x = 16,226,853,507.26/136,301.76
  6. Step 6: Final answer
    x = 119,050.95

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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.