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Finding the Fourth Proportional to 220,469.04, 330,713.28 and 62,706.96

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Solution

The fourth proportional to 220,469.04, 330,713.28 and 62,706.96 is: 94,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,469.04 : 330,713.28 = 62,706.96 : x
  2. Step 2: Convert to fraction form
    220,469.04/330,713.28 = 62,706.96/x
  3. Step 3: Cross multiply
    220,469.04x = 330,713.28 × 62,706.96
  4. Step 4: Simplify right side
    220,469.04x = 20,738,024,420.43
  5. Step 5: Solve for x
    x = 20,738,024,420.43/220,469.04
  6. Step 6: Final answer
    x = 94,063.20

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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.