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Finding the Fourth Proportional to 69,898.59, 96,451.56 and 41,216.49

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Solution

The fourth proportional to 69,898.59, 96,451.56 and 41,216.49 is: 56,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.59 : 96,451.56 = 41,216.49 : x
  2. Step 2: Convert to fraction form
    69,898.59/96,451.56 = 41,216.49/x
  3. Step 3: Cross multiply
    69,898.59x = 96,451.56 × 41,216.49
  4. Step 4: Simplify right side
    69,898.59x = 3,975,394,758.22
  5. Step 5: Solve for x
    x = 3,975,394,758.22/69,898.59
  6. Step 6: Final answer
    x = 56,873.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.