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Finding the Fourth Proportional to 100,081.36, 150,098.45 and 36,867.14

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Solution

The fourth proportional to 100,081.36, 150,098.45 and 36,867.14 is: 55,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,081.36 : 150,098.45 = 36,867.14 : x
  2. Step 2: Convert to fraction form
    100,081.36/150,098.45 = 36,867.14/x
  3. Step 3: Cross multiply
    100,081.36x = 150,098.45 × 36,867.14
  4. Step 4: Simplify right side
    100,081.36x = 5,533,701,353.34
  5. Step 5: Solve for x
    x = 5,533,701,353.34/100,081.36
  6. Step 6: Final answer
    x = 55,292.03

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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.