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Finding the Fourth Proportional to 73,998.80, 110,933.40 and 44,385.20

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Solution

The fourth proportional to 73,998.80, 110,933.40 and 44,385.20 is: 66,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,998.80 : 110,933.40 = 44,385.20 : x
  2. Step 2: Convert to fraction form
    73,998.80/110,933.40 = 44,385.20/x
  3. Step 3: Cross multiply
    73,998.80x = 110,933.40 × 44,385.20
  4. Step 4: Simplify right side
    73,998.80x = 4,923,801,145.68
  5. Step 5: Solve for x
    x = 4,923,801,145.68/73,998.80
  6. Step 6: Final answer
    x = 66,538.93

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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.