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Finding the Fourth Proportional to 149,260.40, 224,063.40 and 90,162.80

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Solution

The fourth proportional to 149,260.40, 224,063.40 and 90,162.80 is: 135,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,260.40 : 224,063.40 = 90,162.80 : x
  2. Step 2: Convert to fraction form
    149,260.40/224,063.40 = 90,162.80/x
  3. Step 3: Cross multiply
    149,260.40x = 224,063.40 × 90,162.80
  4. Step 4: Simplify right side
    149,260.40x = 20,202,183,521.52
  5. Step 5: Solve for x
    x = 20,202,183,521.52/149,260.40
  6. Step 6: Final answer
    x = 135,348.58

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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.