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Finding the Fourth Proportional to 84,258.57, 126,390.44 and 36,849.27

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Solution

The fourth proportional to 84,258.57, 126,390.44 and 36,849.27 is: 55,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,258.57 : 126,390.44 = 36,849.27 : x
  2. Step 2: Convert to fraction form
    84,258.57/126,390.44 = 36,849.27/x
  3. Step 3: Cross multiply
    84,258.57x = 126,390.44 × 36,849.27
  4. Step 4: Simplify right side
    84,258.57x = 4,657,394,632.78
  5. Step 5: Solve for x
    x = 4,657,394,632.78/84,258.57
  6. Step 6: Final answer
    x = 55,275.03

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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.