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Finding the Fourth Proportional to 84,394.54, 126,480.03 and 44,866.54

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Solution

The fourth proportional to 84,394.54, 126,480.03 and 44,866.54 is: 67,240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,394.54 : 126,480.03 = 44,866.54 : x
  2. Step 2: Convert to fraction form
    84,394.54/126,480.03 = 44,866.54/x
  3. Step 3: Cross multiply
    84,394.54x = 126,480.03 × 44,866.54
  4. Step 4: Simplify right side
    84,394.54x = 5,674,721,325.20
  5. Step 5: Solve for x
    x = 5,674,721,325.20/84,394.54
  6. Step 6: Final answer
    x = 67,240.38

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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.