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Finding the Fourth Proportional to 69,930.64, 104,839.04 and 32,514.28

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Solution

The fourth proportional to 69,930.64, 104,839.04 and 32,514.28 is: 48,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.64 : 104,839.04 = 32,514.28 : x
  2. Step 2: Convert to fraction form
    69,930.64/104,839.04 = 32,514.28/x
  3. Step 3: Cross multiply
    69,930.64x = 104,839.04 × 32,514.28
  4. Step 4: Simplify right side
    69,930.64x = 3,408,765,901.49
  5. Step 5: Solve for x
    x = 3,408,765,901.49/69,930.64
  6. Step 6: Final answer
    x = 48,744.96

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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.