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Finding the Fourth Proportional to 67,835.20, 101,752.80 and 44,215.60

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Solution

The fourth proportional to 67,835.20, 101,752.80 and 44,215.60 is: 66,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,835.20 : 101,752.80 = 44,215.60 : x
  2. Step 2: Convert to fraction form
    67,835.20/101,752.80 = 44,215.60/x
  3. Step 3: Cross multiply
    67,835.20x = 101,752.80 × 44,215.60
  4. Step 4: Simplify right side
    67,835.20x = 4,499,061,103.68
  5. Step 5: Solve for x
    x = 4,499,061,103.68/67,835.20
  6. Step 6: Final answer
    x = 66,323.40

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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.