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Finding the Fourth Proportional to 62,811.60, 94,116.60 and 33,190.80

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Solution

The fourth proportional to 62,811.60, 94,116.60 and 33,190.80 is: 49,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.60 : 94,116.60 = 33,190.80 : x
  2. Step 2: Convert to fraction form
    62,811.60/94,116.60 = 33,190.80/x
  3. Step 3: Cross multiply
    62,811.60x = 94,116.60 × 33,190.80
  4. Step 4: Simplify right side
    62,811.60x = 3,123,805,247.28
  5. Step 5: Solve for x
    x = 3,123,805,247.28/62,811.60
  6. Step 6: Final answer
    x = 49,732.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.