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Finding the Fourth Proportional to 69,639.71, 96,103.94 and 37,808.63

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Solution

The fourth proportional to 69,639.71, 96,103.94 and 37,808.63 is: 52,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,639.71 : 96,103.94 = 37,808.63 : x
  2. Step 2: Convert to fraction form
    69,639.71/96,103.94 = 37,808.63/x
  3. Step 3: Cross multiply
    69,639.71x = 96,103.94 × 37,808.63
  4. Step 4: Simplify right side
    69,639.71x = 3,633,557,639.44
  5. Step 5: Solve for x
    x = 3,633,557,639.44/69,639.71
  6. Step 6: Final answer
    x = 52,176.52

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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.