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Finding the Fourth Proportional to 69,167.36, 103,764.16 and 27,045.52

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Solution

The fourth proportional to 69,167.36, 103,764.16 and 27,045.52 is: 40,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,167.36 : 103,764.16 = 27,045.52 : x
  2. Step 2: Convert to fraction form
    69,167.36/103,764.16 = 27,045.52/x
  3. Step 3: Cross multiply
    69,167.36x = 103,764.16 × 27,045.52
  4. Step 4: Simplify right side
    69,167.36x = 2,806,355,664.56
  5. Step 5: Solve for x
    x = 2,806,355,664.56/69,167.36
  6. Step 6: Final answer
    x = 40,573.41

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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.