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Finding the Fourth Proportional to 67,873.20, 101,809.80 and 44,253.60

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Solution

The fourth proportional to 67,873.20, 101,809.80 and 44,253.60 is: 66,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,873.20 : 101,809.80 = 44,253.60 : x
  2. Step 2: Convert to fraction form
    67,873.20/101,809.80 = 44,253.60/x
  3. Step 3: Cross multiply
    67,873.20x = 101,809.80 × 44,253.60
  4. Step 4: Simplify right side
    67,873.20x = 4,505,450,165.28
  5. Step 5: Solve for x
    x = 4,505,450,165.28/67,873.20
  6. Step 6: Final answer
    x = 66,380.40

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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.