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Finding the Fourth Proportional to 69,639.22, 96,101.87 and 37,808.11

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Solution

The fourth proportional to 69,639.22, 96,101.87 and 37,808.11 is: 52,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,639.22 : 96,101.87 = 37,808.11 : x
  2. Step 2: Convert to fraction form
    69,639.22/96,101.87 = 37,808.11/x
  3. Step 3: Cross multiply
    69,639.22x = 96,101.87 × 37,808.11
  4. Step 4: Simplify right side
    69,639.22x = 3,633,430,072.17
  5. Step 5: Solve for x
    x = 3,633,430,072.17/69,639.22
  6. Step 6: Final answer
    x = 52,175.05

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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.