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Finding the Fourth Proportional to 73,641.96, 110,462.76 and 23,721.12

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Solution

The fourth proportional to 73,641.96, 110,462.76 and 23,721.12 is: 35,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.96 : 110,462.76 = 23,721.12 : x
  2. Step 2: Convert to fraction form
    73,641.96/110,462.76 = 23,721.12/x
  3. Step 3: Cross multiply
    73,641.96x = 110,462.76 × 23,721.12
  4. Step 4: Simplify right side
    73,641.96x = 2,620,300,385.49
  5. Step 5: Solve for x
    x = 2,620,300,385.49/73,641.96
  6. Step 6: Final answer
    x = 35,581.62

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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.