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Finding the Fourth Proportional to 220,134.70, 330,169.65 and 62,379.10

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Solution

The fourth proportional to 220,134.70, 330,169.65 and 62,379.10 is: 93,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,134.70 : 330,169.65 = 62,379.10 : x
  2. Step 2: Convert to fraction form
    220,134.70/330,169.65 = 62,379.10/x
  3. Step 3: Cross multiply
    220,134.70x = 330,169.65 × 62,379.10
  4. Step 4: Simplify right side
    220,134.70x = 20,595,685,614.32
  5. Step 5: Solve for x
    x = 20,595,685,614.32/220,134.70
  6. Step 6: Final answer
    x = 93,559.47

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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.