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Finding the Fourth Proportional to 220,179.92, 330,269.30 and 62,409.76

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Solution

The fourth proportional to 220,179.92, 330,269.30 and 62,409.76 is: 93,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,179.92 : 330,269.30 = 62,409.76 : x
  2. Step 2: Convert to fraction form
    220,179.92/330,269.30 = 62,409.76/x
  3. Step 3: Cross multiply
    220,179.92x = 330,269.30 × 62,409.76
  4. Step 4: Simplify right side
    220,179.92x = 20,612,027,748.37
  5. Step 5: Solve for x
    x = 20,612,027,748.37/220,179.92
  6. Step 6: Final answer
    x = 93,614.48

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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.