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Finding the Fourth Proportional to 557,383.68, 836,079.17 and 136,659.56

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Solution

The fourth proportional to 557,383.68, 836,079.17 and 136,659.56 is: 204,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,383.68 : 836,079.17 = 136,659.56 : x
  2. Step 2: Convert to fraction form
    557,383.68/836,079.17 = 136,659.56/x
  3. Step 3: Cross multiply
    557,383.68x = 836,079.17 × 136,659.56
  4. Step 4: Simplify right side
    557,383.68x = 114,258,206,633.67
  5. Step 5: Solve for x
    x = 114,258,206,633.67/557,383.68
  6. Step 6: Final answer
    x = 204,990.23

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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.