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Finding the Fourth Proportional to 110,718.26, 166,103.76 and 35,838.42

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Solution

The fourth proportional to 110,718.26, 166,103.76 and 35,838.42 is: 53,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,718.26 : 166,103.76 = 35,838.42 : x
  2. Step 2: Convert to fraction form
    110,718.26/166,103.76 = 35,838.42/x
  3. Step 3: Cross multiply
    110,718.26x = 166,103.76 × 35,838.42
  4. Step 4: Simplify right side
    110,718.26x = 5,952,895,825.96
  5. Step 5: Solve for x
    x = 5,952,895,825.96/110,718.26
  6. Step 6: Final answer
    x = 53,766.16

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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.