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Finding the Fourth Proportional to 110,325.65, 165,388.69 and 40,188.56

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Solution

The fourth proportional to 110,325.65, 165,388.69 and 40,188.56 is: 60,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,325.65 : 165,388.69 = 40,188.56 : x
  2. Step 2: Convert to fraction form
    110,325.65/165,388.69 = 40,188.56/x
  3. Step 3: Cross multiply
    110,325.65x = 165,388.69 × 40,188.56
  4. Step 4: Simplify right side
    110,325.65x = 6,646,732,288.62
  5. Step 5: Solve for x
    x = 6,646,732,288.62/110,325.65
  6. Step 6: Final answer
    x = 60,246.48

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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.