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Finding the Fourth Proportional to 67,311.30, 100,978.96 and 22,335.35

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Solution

The fourth proportional to 67,311.30, 100,978.96 and 22,335.35 is: 33,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,311.30 : 100,978.96 = 22,335.35 : x
  2. Step 2: Convert to fraction form
    67,311.30/100,978.96 = 22,335.35/x
  3. Step 3: Cross multiply
    67,311.30x = 100,978.96 × 22,335.35
  4. Step 4: Simplify right side
    67,311.30x = 2,255,400,414.24
  5. Step 5: Solve for x
    x = 2,255,400,414.24/67,311.30
  6. Step 6: Final answer
    x = 33,507.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.