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Finding the Fourth Proportional to 67,177.86, 100,805.73 and 33,900.53

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Solution

The fourth proportional to 67,177.86, 100,805.73 and 33,900.53 is: 50,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,177.86 : 100,805.73 = 33,900.53 : x
  2. Step 2: Convert to fraction form
    67,177.86/100,805.73 = 33,900.53/x
  3. Step 3: Cross multiply
    67,177.86x = 100,805.73 × 33,900.53
  4. Step 4: Simplify right side
    67,177.86x = 3,417,367,233.57
  5. Step 5: Solve for x
    x = 3,417,367,233.57/67,177.86
  6. Step 6: Final answer
    x = 50,870.44

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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.