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Finding the Fourth Proportional to 100,770.88, 151,214.74 and 50,854.88

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Solution

The fourth proportional to 100,770.88, 151,214.74 and 50,854.88 is: 76,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,770.88 : 151,214.74 = 50,854.88 : x
  2. Step 2: Convert to fraction form
    100,770.88/151,214.74 = 50,854.88/x
  3. Step 3: Cross multiply
    100,770.88x = 151,214.74 × 50,854.88
  4. Step 4: Simplify right side
    100,770.88x = 7,690,007,456.93
  5. Step 5: Solve for x
    x = 7,690,007,456.93/100,770.88
  6. Step 6: Final answer
    x = 76,311.80

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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.