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Finding the Fourth Proportional to 69,089.75, 103,634.63 and 22,342.63

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Solution

The fourth proportional to 69,089.75, 103,634.63 and 22,342.63 is: 33,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.75 : 103,634.63 = 22,342.63 : x
  2. Step 2: Convert to fraction form
    69,089.75/103,634.63 = 22,342.63/x
  3. Step 3: Cross multiply
    69,089.75x = 103,634.63 × 22,342.63
  4. Step 4: Simplify right side
    69,089.75x = 2,315,470,193.28
  5. Step 5: Solve for x
    x = 2,315,470,193.28/69,089.75
  6. Step 6: Final answer
    x = 33,513.95

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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.