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Finding the Fourth Proportional to 96,791.76, 133,574.67 and 54,363.96

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Solution

The fourth proportional to 96,791.76, 133,574.67 and 54,363.96 is: 75,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,791.76 : 133,574.67 = 54,363.96 : x
  2. Step 2: Convert to fraction form
    96,791.76/133,574.67 = 54,363.96/x
  3. Step 3: Cross multiply
    96,791.76x = 133,574.67 × 54,363.96
  4. Step 4: Simplify right side
    96,791.76x = 7,261,648,016.89
  5. Step 5: Solve for x
    x = 7,261,648,016.89/96,791.76
  6. Step 6: Final answer
    x = 75,023.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.