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Finding the Fourth Proportional to 111,252, 166,863.36 and 40,167.36

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Solution

The fourth proportional to 111,252, 166,863.36 and 40,167.36 is: 60,245.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,252 : 166,863.36 = 40,167.36 : x
  2. Step 2: Convert to fraction form
    111,252/166,863.36 = 40,167.36/x
  3. Step 3: Cross multiply
    111,252x = 166,863.36 × 40,167.36
  4. Step 4: Simplify right side
    111,252x = 6,702,460,651.93
  5. Step 5: Solve for x
    x = 6,702,460,651.93/111,252
  6. Step 6: Final answer
    x = 60,245.75

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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.