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Finding the Fourth Proportional to 221,465.61, 332,251.33 and 71,706.06

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Solution

The fourth proportional to 221,465.61, 332,251.33 and 71,706.06 is: 107,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,465.61 : 332,251.33 = 71,706.06 : x
  2. Step 2: Convert to fraction form
    221,465.61/332,251.33 = 71,706.06/x
  3. Step 3: Cross multiply
    221,465.61x = 332,251.33 × 71,706.06
  4. Step 4: Simplify right side
    221,465.61x = 23,824,433,624.79
  5. Step 5: Solve for x
    x = 23,824,433,624.79/221,465.61
  6. Step 6: Final answer
    x = 107,576.22

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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.