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Finding the Fourth Proportional to 110,372.36, 165,583.22 and 40,251.67

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Solution

The fourth proportional to 110,372.36, 165,583.22 and 40,251.67 is: 60,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,372.36 : 165,583.22 = 40,251.67 : x
  2. Step 2: Convert to fraction form
    110,372.36/165,583.22 = 40,251.67/x
  3. Step 3: Cross multiply
    110,372.36x = 165,583.22 × 40,251.67
  4. Step 4: Simplify right side
    110,372.36x = 6,665,000,927.72
  5. Step 5: Solve for x
    x = 6,665,000,927.72/110,372.36
  6. Step 6: Final answer
    x = 60,386.51

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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.