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Finding the Fourth Proportional to 79,744.74, 110,047.20 and 43,933.92

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Solution

The fourth proportional to 79,744.74, 110,047.20 and 43,933.92 is: 60,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744.74 : 110,047.20 = 43,933.92 : x
  2. Step 2: Convert to fraction form
    79,744.74/110,047.20 = 43,933.92/x
  3. Step 3: Cross multiply
    79,744.74x = 110,047.20 × 43,933.92
  4. Step 4: Simplify right side
    79,744.74x = 4,834,804,881.02
  5. Step 5: Solve for x
    x = 4,834,804,881.02/79,744.74
  6. Step 6: Final answer
    x = 60,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.