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Finding the Fourth Proportional to 123,679.96, 185,520.48 and 52,584.28

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Solution

The fourth proportional to 123,679.96, 185,520.48 and 52,584.28 is: 78,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,679.96 : 185,520.48 = 52,584.28 : x
  2. Step 2: Convert to fraction form
    123,679.96/185,520.48 = 52,584.28/x
  3. Step 3: Cross multiply
    123,679.96x = 185,520.48 × 52,584.28
  4. Step 4: Simplify right side
    123,679.96x = 9,755,460,866.05
  5. Step 5: Solve for x
    x = 9,755,460,866.05/123,679.96
  6. Step 6: Final answer
    x = 78,876.65

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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.