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Finding the Fourth Proportional to 235,200.12, 352,773.45 and 66,734.70

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Solution

The fourth proportional to 235,200.12, 352,773.45 and 66,734.70 is: 100,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,200.12 : 352,773.45 = 66,734.70 : x
  2. Step 2: Convert to fraction form
    235,200.12/352,773.45 = 66,734.70/x
  3. Step 3: Cross multiply
    235,200.12x = 352,773.45 × 66,734.70
  4. Step 4: Simplify right side
    235,200.12x = 23,542,230,353.72
  5. Step 5: Solve for x
    x = 23,542,230,353.72/235,200.12
  6. Step 6: Final answer
    x = 100,094.47

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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.