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Finding the Fourth Proportional to 96,379.50, 133,073.87 and 77,363.87

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Solution

The fourth proportional to 96,379.50, 133,073.87 and 77,363.87 is: 106,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,379.50 : 133,073.87 = 77,363.87 : x
  2. Step 2: Convert to fraction form
    96,379.50/133,073.87 = 77,363.87/x
  3. Step 3: Cross multiply
    96,379.50x = 133,073.87 × 77,363.87
  4. Step 4: Simplify right side
    96,379.50x = 10,295,109,524.94
  5. Step 5: Solve for x
    x = 10,295,109,524.94/96,379.50
  6. Step 6: Final answer
    x = 106,818.46

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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.