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Finding the Fourth Proportional to 69,285.93, 103,668.87 and 41,102.79

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Solution

The fourth proportional to 69,285.93, 103,668.87 and 41,102.79 is: 61,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,285.93 : 103,668.87 = 41,102.79 : x
  2. Step 2: Convert to fraction form
    69,285.93/103,668.87 = 41,102.79/x
  3. Step 3: Cross multiply
    69,285.93x = 103,668.87 × 41,102.79
  4. Step 4: Simplify right side
    69,285.93x = 4,261,079,793.15
  5. Step 5: Solve for x
    x = 4,261,079,793.15/69,285.93
  6. Step 6: Final answer
    x = 61,499.93

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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.