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Finding the Fourth Proportional to 67,235.70, 100,853.55 and 43,734.90

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Solution

The fourth proportional to 67,235.70, 100,853.55 and 43,734.90 is: 65,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,235.70 : 100,853.55 = 43,734.90 : x
  2. Step 2: Convert to fraction form
    67,235.70/100,853.55 = 43,734.90/x
  3. Step 3: Cross multiply
    67,235.70x = 100,853.55 × 43,734.90
  4. Step 4: Simplify right side
    67,235.70x = 4,410,819,923.90
  5. Step 5: Solve for x
    x = 4,410,819,923.90/67,235.70
  6. Step 6: Final answer
    x = 65,602.35

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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.