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Finding the Fourth Proportional to 70,734.40, 106,100.08 and 33,273.72

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Solution

The fourth proportional to 70,734.40, 106,100.08 and 33,273.72 is: 49,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.40 : 106,100.08 = 33,273.72 : x
  2. Step 2: Convert to fraction form
    70,734.40/106,100.08 = 33,273.72/x
  3. Step 3: Cross multiply
    70,734.40x = 106,100.08 × 33,273.72
  4. Step 4: Simplify right side
    70,734.40x = 3,530,344,353.90
  5. Step 5: Solve for x
    x = 3,530,344,353.90/70,734.40
  6. Step 6: Final answer
    x = 49,909.86

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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.