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Finding the Fourth Proportional to 69,294.93, 103,682.37 and 41,111.79

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Solution

The fourth proportional to 69,294.93, 103,682.37 and 41,111.79 is: 61,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,294.93 : 103,682.37 = 41,111.79 : x
  2. Step 2: Convert to fraction form
    69,294.93/103,682.37 = 41,111.79/x
  3. Step 3: Cross multiply
    69,294.93x = 103,682.37 × 41,111.79
  4. Step 4: Simplify right side
    69,294.93x = 4,262,567,822.14
  5. Step 5: Solve for x
    x = 4,262,567,822.14/69,294.93
  6. Step 6: Final answer
    x = 61,513.42

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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.