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Finding the Fourth Proportional to 88,694.46, 132,971.05 and 51,212.01

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Solution

The fourth proportional to 88,694.46, 132,971.05 and 51,212.01 is: 76,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.46 : 132,971.05 = 51,212.01 : x
  2. Step 2: Convert to fraction form
    88,694.46/132,971.05 = 51,212.01/x
  3. Step 3: Cross multiply
    88,694.46x = 132,971.05 × 51,212.01
  4. Step 4: Simplify right side
    88,694.46x = 6,809,715,304.97
  5. Step 5: Solve for x
    x = 6,809,715,304.97/88,694.46
  6. Step 6: Final answer
    x = 76,777.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.