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Finding the Fourth Proportional to 69,653.52, 104,453.55 and 34,092.90

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Solution

The fourth proportional to 69,653.52, 104,453.55 and 34,092.90 is: 51,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,653.52 : 104,453.55 = 34,092.90 : x
  2. Step 2: Convert to fraction form
    69,653.52/104,453.55 = 34,092.90/x
  3. Step 3: Cross multiply
    69,653.52x = 104,453.55 × 34,092.90
  4. Step 4: Simplify right side
    69,653.52x = 3,561,124,434.80
  5. Step 5: Solve for x
    x = 3,561,124,434.80/69,653.52
  6. Step 6: Final answer
    x = 51,126.27

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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.