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Finding the Fourth Proportional to 187,305.68, 280,996.92 and 62,647.76

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Solution

The fourth proportional to 187,305.68, 280,996.92 and 62,647.76 is: 93,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,305.68 : 280,996.92 = 62,647.76 : x
  2. Step 2: Convert to fraction form
    187,305.68/280,996.92 = 62,647.76/x
  3. Step 3: Cross multiply
    187,305.68x = 280,996.92 × 62,647.76
  4. Step 4: Simplify right side
    187,305.68x = 17,603,827,604.90
  5. Step 5: Solve for x
    x = 17,603,827,604.90/187,305.68
  6. Step 6: Final answer
    x = 93,984.48

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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.