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Finding the Fourth Proportional to 69,908.48, 104,823.84 and 23,135.84

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Solution

The fourth proportional to 69,908.48, 104,823.84 and 23,135.84 is: 34,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908.48 : 104,823.84 = 23,135.84 : x
  2. Step 2: Convert to fraction form
    69,908.48/104,823.84 = 23,135.84/x
  3. Step 3: Cross multiply
    69,908.48x = 104,823.84 × 23,135.84
  4. Step 4: Simplify right side
    69,908.48x = 2,425,187,590.43
  5. Step 5: Solve for x
    x = 2,425,187,590.43/69,908.48
  6. Step 6: Final answer
    x = 34,690.89

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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.