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Finding the Fourth Proportional to 88,120.50, 132,137.34 and 31,952.18

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Solution

The fourth proportional to 88,120.50, 132,137.34 and 31,952.18 is: 47,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.50 : 132,137.34 = 31,952.18 : x
  2. Step 2: Convert to fraction form
    88,120.50/132,137.34 = 31,952.18/x
  3. Step 3: Cross multiply
    88,120.50x = 132,137.34 × 31,952.18
  4. Step 4: Simplify right side
    88,120.50x = 4,222,076,072.40
  5. Step 5: Solve for x
    x = 4,222,076,072.40/88,120.50
  6. Step 6: Final answer
    x = 47,912.53

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