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Finding the Fourth Proportional to 69,266.72, 103,863.18 and 35,953.28

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Solution

The fourth proportional to 69,266.72, 103,863.18 and 35,953.28 is: 53,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,266.72 : 103,863.18 = 35,953.28 : x
  2. Step 2: Convert to fraction form
    69,266.72/103,863.18 = 35,953.28/x
  3. Step 3: Cross multiply
    69,266.72x = 103,863.18 × 35,953.28
  4. Step 4: Simplify right side
    69,266.72x = 3,734,221,992.23
  5. Step 5: Solve for x
    x = 3,734,221,992.23/69,266.72
  6. Step 6: Final answer
    x = 53,910.77

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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.