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Finding the Fourth Proportional to 151,230.40, 226,845.60 and 40,422.40

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Solution

The fourth proportional to 151,230.40, 226,845.60 and 40,422.40 is: 60,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,230.40 : 226,845.60 = 40,422.40 : x
  2. Step 2: Convert to fraction form
    151,230.40/226,845.60 = 40,422.40/x
  3. Step 3: Cross multiply
    151,230.40x = 226,845.60 × 40,422.40
  4. Step 4: Simplify right side
    151,230.40x = 9,169,643,581.44
  5. Step 5: Solve for x
    x = 9,169,643,581.44/151,230.40
  6. Step 6: Final answer
    x = 60,633.60

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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.