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Finding the Fourth Proportional to 73,744.44, 110,727.44 and 42,190.13

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Solution

The fourth proportional to 73,744.44, 110,727.44 and 42,190.13 is: 63,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,744.44 : 110,727.44 = 42,190.13 : x
  2. Step 2: Convert to fraction form
    73,744.44/110,727.44 = 42,190.13/x
  3. Step 3: Cross multiply
    73,744.44x = 110,727.44 × 42,190.13
  4. Step 4: Simplify right side
    73,744.44x = 4,671,604,323.58
  5. Step 5: Solve for x
    x = 4,671,604,323.58/73,744.44
  6. Step 6: Final answer
    x = 63,348.56

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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.