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Finding the Fourth Proportional to 96,951.92, 133,812.80 and 62,912.60

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Solution

The fourth proportional to 96,951.92, 133,812.80 and 62,912.60 is: 86,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,951.92 : 133,812.80 = 62,912.60 : x
  2. Step 2: Convert to fraction form
    96,951.92/133,812.80 = 62,912.60/x
  3. Step 3: Cross multiply
    96,951.92x = 133,812.80 × 62,912.60
  4. Step 4: Simplify right side
    96,951.92x = 8,418,511,161.28
  5. Step 5: Solve for x
    x = 8,418,511,161.28/96,951.92
  6. Step 6: Final answer
    x = 86,831.81

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1.5x scale

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.