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Finding the Fourth Proportional to 220,109.44, 330,122.16 and 62,299.84

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Solution

The fourth proportional to 220,109.44, 330,122.16 and 62,299.84 is: 93,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.44 : 330,122.16 = 62,299.84 : x
  2. Step 2: Convert to fraction form
    220,109.44/330,122.16 = 62,299.84/x
  3. Step 3: Cross multiply
    220,109.44x = 330,122.16 × 62,299.84
  4. Step 4: Simplify right side
    220,109.44x = 20,566,557,748.45
  5. Step 5: Solve for x
    x = 20,566,557,748.45/220,109.44
  6. Step 6: Final answer
    x = 93,437.87

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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.