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Finding the Fourth Proportional to 84,240.77, 126,380.60 and 44,835.89

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Solution

The fourth proportional to 84,240.77, 126,380.60 and 44,835.89 is: 67,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240.77 : 126,380.60 = 44,835.89 : x
  2. Step 2: Convert to fraction form
    84,240.77/126,380.60 = 44,835.89/x
  3. Step 3: Cross multiply
    84,240.77x = 126,380.60 × 44,835.89
  4. Step 4: Simplify right side
    84,240.77x = 5,666,386,679.73
  5. Step 5: Solve for x
    x = 5,666,386,679.73/84,240.77
  6. Step 6: Final answer
    x = 67,264.18

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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.