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Finding the Fourth Proportional to 69,712.73, 96,200.99 and 37,880.94

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Solution

The fourth proportional to 69,712.73, 96,200.99 and 37,880.94 is: 52,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.73 : 96,200.99 = 37,880.94 : x
  2. Step 2: Convert to fraction form
    69,712.73/96,200.99 = 37,880.94/x
  3. Step 3: Cross multiply
    69,712.73x = 96,200.99 × 37,880.94
  4. Step 4: Simplify right side
    69,712.73x = 3,644,183,930.13
  5. Step 5: Solve for x
    x = 3,644,183,930.13/69,712.73
  6. Step 6: Final answer
    x = 52,274.30

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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.