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Finding the Fourth Proportional to 69,963.39, 96,473.25 and 47,262.96

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Solution

The fourth proportional to 69,963.39, 96,473.25 and 47,262.96 is: 65,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.39 : 96,473.25 = 47,262.96 : x
  2. Step 2: Convert to fraction form
    69,963.39/96,473.25 = 47,262.96/x
  3. Step 3: Cross multiply
    69,963.39x = 96,473.25 × 47,262.96
  4. Step 4: Simplify right side
    69,963.39x = 4,559,611,355.82
  5. Step 5: Solve for x
    x = 4,559,611,355.82/69,963.39
  6. Step 6: Final answer
    x = 65,171.39

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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.