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Finding the Fourth Proportional to 88,133.43, 132,033.42 and 68,314.89

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Solution

The fourth proportional to 88,133.43, 132,033.42 and 68,314.89 is: 102,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.43 : 132,033.42 = 68,314.89 : x
  2. Step 2: Convert to fraction form
    88,133.43/132,033.42 = 68,314.89/x
  3. Step 3: Cross multiply
    88,133.43x = 132,033.42 × 68,314.89
  4. Step 4: Simplify right side
    88,133.43x = 9,019,848,563.62
  5. Step 5: Solve for x
    x = 9,019,848,563.62/88,133.43
  6. Step 6: Final answer
    x = 102,343.10

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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.