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Finding the Fourth Proportional to 96,377.55, 133,039.35 and 65,339.97

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Solution

The fourth proportional to 96,377.55, 133,039.35 and 65,339.97 is: 90,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,377.55 : 133,039.35 = 65,339.97 : x
  2. Step 2: Convert to fraction form
    96,377.55/133,039.35 = 65,339.97/x
  3. Step 3: Cross multiply
    96,377.55x = 133,039.35 × 65,339.97
  4. Step 4: Simplify right side
    96,377.55x = 8,692,787,137.82
  5. Step 5: Solve for x
    x = 8,692,787,137.82/96,377.55
  6. Step 6: Final answer
    x = 90,195.15

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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.