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Finding the Fourth Proportional to 73,572.82, 110,262.12 and 29,175.28

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Solution

The fourth proportional to 73,572.82, 110,262.12 and 29,175.28 is: 43,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,572.82 : 110,262.12 = 29,175.28 : x
  2. Step 2: Convert to fraction form
    73,572.82/110,262.12 = 29,175.28/x
  3. Step 3: Cross multiply
    73,572.82x = 110,262.12 × 29,175.28
  4. Step 4: Simplify right side
    73,572.82x = 3,216,928,224.39
  5. Step 5: Solve for x
    x = 3,216,928,224.39/73,572.82
  6. Step 6: Final answer
    x = 43,724.41

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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.