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Finding the Fourth Proportional to 73,759.80, 110,727.44 and 70,752.04

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Solution

The fourth proportional to 73,759.80, 110,727.44 and 70,752.04 is: 106,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,759.80 : 110,727.44 = 70,752.04 : x
  2. Step 2: Convert to fraction form
    73,759.80/110,727.44 = 70,752.04/x
  3. Step 3: Cross multiply
    73,759.80x = 110,727.44 × 70,752.04
  4. Step 4: Simplify right side
    73,759.80x = 7,834,192,263.98
  5. Step 5: Solve for x
    x = 7,834,192,263.98/73,759.80
  6. Step 6: Final answer
    x = 106,212.22

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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.