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Finding the Fourth Proportional to 69,194.66, 103,412.87 and 50,514.03

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Solution

The fourth proportional to 69,194.66, 103,412.87 and 50,514.03 is: 75,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,194.66 : 103,412.87 = 50,514.03 : x
  2. Step 2: Convert to fraction form
    69,194.66/103,412.87 = 50,514.03/x
  3. Step 3: Cross multiply
    69,194.66x = 103,412.87 × 50,514.03
  4. Step 4: Simplify right side
    69,194.66x = 5,223,800,754.42
  5. Step 5: Solve for x
    x = 5,223,800,754.42/69,194.66
  6. Step 6: Final answer
    x = 75,494.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.