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Finding the Fourth Proportional to 111,239.52, 166,859.17 and 44,679.66

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Solution

The fourth proportional to 111,239.52, 166,859.17 and 44,679.66 is: 67,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.52 : 166,859.17 = 44,679.66 : x
  2. Step 2: Convert to fraction form
    111,239.52/166,859.17 = 44,679.66/x
  3. Step 3: Cross multiply
    111,239.52x = 166,859.17 × 44,679.66
  4. Step 4: Simplify right side
    111,239.52x = 7,455,210,497.38
  5. Step 5: Solve for x
    x = 7,455,210,497.38/111,239.52
  6. Step 6: Final answer
    x = 67,019.44

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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.