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Finding the Fourth Proportional to 220,617.65, 330,882.87 and 60,652.29

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Solution

The fourth proportional to 220,617.65, 330,882.87 and 60,652.29 is: 90,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,617.65 : 330,882.87 = 60,652.29 : x
  2. Step 2: Convert to fraction form
    220,617.65/330,882.87 = 60,652.29/x
  3. Step 3: Cross multiply
    220,617.65x = 330,882.87 × 60,652.29
  4. Step 4: Simplify right side
    220,617.65x = 20,068,803,787.27
  5. Step 5: Solve for x
    x = 20,068,803,787.27/220,617.65
  6. Step 6: Final answer
    x = 90,966.45

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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.