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Finding the Fourth Proportional to 96,460.71, 133,071.46 and 62,480.54

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Solution

The fourth proportional to 96,460.71, 133,071.46 and 62,480.54 is: 86,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,460.71 : 133,071.46 = 62,480.54 : x
  2. Step 2: Convert to fraction form
    96,460.71/133,071.46 = 62,480.54/x
  3. Step 3: Cross multiply
    96,460.71x = 133,071.46 × 62,480.54
  4. Step 4: Simplify right side
    96,460.71x = 8,314,375,857.83
  5. Step 5: Solve for x
    x = 8,314,375,857.83/96,460.71
  6. Step 6: Final answer
    x = 86,194.43

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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.