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Finding the Fourth Proportional to 96,876.48, 145,317.48 and 26,755.80

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Solution

The fourth proportional to 96,876.48, 145,317.48 and 26,755.80 is: 40,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,876.48 : 145,317.48 = 26,755.80 : x
  2. Step 2: Convert to fraction form
    96,876.48/145,317.48 = 26,755.80/x
  3. Step 3: Cross multiply
    96,876.48x = 145,317.48 × 26,755.80
  4. Step 4: Simplify right side
    96,876.48x = 3,888,085,431.38
  5. Step 5: Solve for x
    x = 3,888,085,431.38/96,876.48
  6. Step 6: Final answer
    x = 40,134.46

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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.