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Finding the Fourth Proportional to 153,614.80, 230,422.20 and 106,375.60

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Solution

The fourth proportional to 153,614.80, 230,422.20 and 106,375.60 is: 159,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,614.80 : 230,422.20 = 106,375.60 : x
  2. Step 2: Convert to fraction form
    153,614.80/230,422.20 = 106,375.60/x
  3. Step 3: Cross multiply
    153,614.80x = 230,422.20 × 106,375.60
  4. Step 4: Simplify right side
    153,614.80x = 24,511,299,778.32
  5. Step 5: Solve for x
    x = 24,511,299,778.32/153,614.80
  6. Step 6: Final answer
    x = 159,563.40

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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.