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Finding the Fourth Proportional to 149,299.20, 224,071.20 and 148,132.80

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Solution

The fourth proportional to 149,299.20, 224,071.20 and 148,132.80 is: 222,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,299.20 : 224,071.20 = 148,132.80 : x
  2. Step 2: Convert to fraction form
    149,299.20/224,071.20 = 148,132.80/x
  3. Step 3: Cross multiply
    149,299.20x = 224,071.20 × 148,132.80
  4. Step 4: Simplify right side
    149,299.20x = 33,192,294,255.36
  5. Step 5: Solve for x
    x = 33,192,294,255.36/149,299.20
  6. Step 6: Final answer
    x = 222,320.64

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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.