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Finding the Fourth Proportional to 100,348.38, 150,493.41 and 65,473.02

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Solution

The fourth proportional to 100,348.38, 150,493.41 and 65,473.02 is: 98,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,348.38 : 150,493.41 = 65,473.02 : x
  2. Step 2: Convert to fraction form
    100,348.38/150,493.41 = 65,473.02/x
  3. Step 3: Cross multiply
    100,348.38x = 150,493.41 × 65,473.02
  4. Step 4: Simplify right side
    100,348.38x = 9,853,258,042.80
  5. Step 5: Solve for x
    x = 9,853,258,042.80/100,348.38
  6. Step 6: Final answer
    x = 98,190.50

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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.