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Finding the Fourth Proportional to 221,496.80, 332,298.08 and 71,737.44

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Solution

The fourth proportional to 221,496.80, 332,298.08 and 71,737.44 is: 107,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,496.80 : 332,298.08 = 71,737.44 : x
  2. Step 2: Convert to fraction form
    221,496.80/332,298.08 = 71,737.44/x
  3. Step 3: Cross multiply
    221,496.80x = 332,298.08 × 71,737.44
  4. Step 4: Simplify right side
    221,496.80x = 23,838,213,576.12
  5. Step 5: Solve for x
    x = 23,838,213,576.12/221,496.80
  6. Step 6: Final answer
    x = 107,623.29

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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.