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Finding the Fourth Proportional to 149,665.20, 224,530.20 and 44,494.80

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Solution

The fourth proportional to 149,665.20, 224,530.20 and 44,494.80 is: 66,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,665.20 : 224,530.20 = 44,494.80 : x
  2. Step 2: Convert to fraction form
    149,665.20/224,530.20 = 44,494.80/x
  3. Step 3: Cross multiply
    149,665.20x = 224,530.20 × 44,494.80
  4. Step 4: Simplify right side
    149,665.20x = 9,990,426,342.96
  5. Step 5: Solve for x
    x = 9,990,426,342.96/149,665.20
  6. Step 6: Final answer
    x = 66,751.83

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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.