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Finding the Fourth Proportional to 69,197.79, 103,796.67 and 49,514.79

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Solution

The fourth proportional to 69,197.79, 103,796.67 and 49,514.79 is: 74,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197.79 : 103,796.67 = 49,514.79 : x
  2. Step 2: Convert to fraction form
    69,197.79/103,796.67 = 49,514.79/x
  3. Step 3: Cross multiply
    69,197.79x = 103,796.67 × 49,514.79
  4. Step 4: Simplify right side
    69,197.79x = 5,139,470,317.75
  5. Step 5: Solve for x
    x = 5,139,470,317.75/69,197.79
  6. Step 6: Final answer
    x = 74,272.17

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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.