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Finding the Fourth Proportional to 96,649.65, 133,504.27 and 80,569.49

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Solution

The fourth proportional to 96,649.65, 133,504.27 and 80,569.49 is: 111,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,649.65 : 133,504.27 = 80,569.49 : x
  2. Step 2: Convert to fraction form
    96,649.65/133,504.27 = 80,569.49/x
  3. Step 3: Cross multiply
    96,649.65x = 133,504.27 × 80,569.49
  4. Step 4: Simplify right side
    96,649.65x = 10,756,370,946.72
  5. Step 5: Solve for x
    x = 10,756,370,946.72/96,649.65
  6. Step 6: Final answer
    x = 111,292.39

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