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Finding the Fourth Proportional to 69,058.53, 103,601.16 and 26,936.91

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Solution

The fourth proportional to 69,058.53, 103,601.16 and 26,936.91 is: 40,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,058.53 : 103,601.16 = 26,936.91 : x
  2. Step 2: Convert to fraction form
    69,058.53/103,601.16 = 26,936.91/x
  3. Step 3: Cross multiply
    69,058.53x = 103,601.16 × 26,936.91
  4. Step 4: Simplify right side
    69,058.53x = 2,790,695,122.82
  5. Step 5: Solve for x
    x = 2,790,695,122.82/69,058.53
  6. Step 6: Final answer
    x = 40,410.58

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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.