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Finding the Fourth Proportional to 84,610.39, 126,931.61 and 34,013.34

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Solution

The fourth proportional to 84,610.39, 126,931.61 and 34,013.34 is: 51,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,610.39 : 126,931.61 = 34,013.34 : x
  2. Step 2: Convert to fraction form
    84,610.39/126,931.61 = 34,013.34/x
  3. Step 3: Cross multiply
    84,610.39x = 126,931.61 × 34,013.34
  4. Step 4: Simplify right side
    84,610.39x = 4,317,367,202.95
  5. Step 5: Solve for x
    x = 4,317,367,202.95/84,610.39
  6. Step 6: Final answer
    x = 51,026.44

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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.