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Finding the Fourth Proportional to 168,043.20, 252,064.80 and 149,672.40

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Solution

The fourth proportional to 168,043.20, 252,064.80 and 149,672.40 is: 224,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,043.20 : 252,064.80 = 149,672.40 : x
  2. Step 2: Convert to fraction form
    168,043.20/252,064.80 = 149,672.40/x
  3. Step 3: Cross multiply
    168,043.20x = 252,064.80 × 149,672.40
  4. Step 4: Simplify right side
    168,043.20x = 37,727,143,571.52
  5. Step 5: Solve for x
    x = 37,727,143,571.52/168,043.20
  6. Step 6: Final answer
    x = 224,508.60

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1.5x scale

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.