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Finding the Fourth Proportional to 88,399.37, 132,393.97 and 50,866.40

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Solution

The fourth proportional to 88,399.37, 132,393.97 and 50,866.40 is: 76,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,399.37 : 132,393.97 = 50,866.40 : x
  2. Step 2: Convert to fraction form
    88,399.37/132,393.97 = 50,866.40/x
  3. Step 3: Cross multiply
    88,399.37x = 132,393.97 × 50,866.40
  4. Step 4: Simplify right side
    88,399.37x = 6,734,404,635.61
  5. Step 5: Solve for x
    x = 6,734,404,635.61/88,399.37
  6. Step 6: Final answer
    x = 76,181.59

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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.