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Finding the Fourth Proportional to 175,924.84, 263,930.94 and 69,315.88

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Solution

The fourth proportional to 175,924.84, 263,930.94 and 69,315.88 is: 103,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,924.84 : 263,930.94 = 69,315.88 : x
  2. Step 2: Convert to fraction form
    175,924.84/263,930.94 = 69,315.88/x
  3. Step 3: Cross multiply
    175,924.84x = 263,930.94 × 69,315.88
  4. Step 4: Simplify right side
    175,924.84x = 18,294,605,365.33
  5. Step 5: Solve for x
    x = 18,294,605,365.33/175,924.84
  6. Step 6: Final answer
    x = 103,991.03

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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.