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Finding the Fourth Proportional to 220,148.17, 330,269.30 and 68,341.89

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Solution

The fourth proportional to 220,148.17, 330,269.30 and 68,341.89 is: 102,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,148.17 : 330,269.30 = 68,341.89 : x
  2. Step 2: Convert to fraction form
    220,148.17/330,269.30 = 68,341.89/x
  3. Step 3: Cross multiply
    220,148.17x = 330,269.30 × 68,341.89
  4. Step 4: Simplify right side
    220,148.17x = 22,571,229,324.06
  5. Step 5: Solve for x
    x = 22,571,229,324.06/220,148.17
  6. Step 6: Final answer
    x = 102,527.45

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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.