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Finding the Fourth Proportional to 69,788.16, 104,665.68 and 24,805.80

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Solution

The fourth proportional to 69,788.16, 104,665.68 and 24,805.80 is: 37,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.16 : 104,665.68 = 24,805.80 : x
  2. Step 2: Convert to fraction form
    69,788.16/104,665.68 = 24,805.80/x
  3. Step 3: Cross multiply
    69,788.16x = 104,665.68 × 24,805.80
  4. Step 4: Simplify right side
    69,788.16x = 2,596,315,924.94
  5. Step 5: Solve for x
    x = 2,596,315,924.94/69,788.16
  6. Step 6: Final answer
    x = 37,202.81

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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.