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Finding the Fourth Proportional to 88,978.44, 133,428.78 and 26,634.36

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Solution

The fourth proportional to 88,978.44, 133,428.78 and 26,634.36 is: 39,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,978.44 : 133,428.78 = 26,634.36 : x
  2. Step 2: Convert to fraction form
    88,978.44/133,428.78 = 26,634.36/x
  3. Step 3: Cross multiply
    88,978.44x = 133,428.78 × 26,634.36
  4. Step 4: Simplify right side
    88,978.44x = 3,553,790,160.88
  5. Step 5: Solve for x
    x = 3,553,790,160.88/88,978.44
  6. Step 6: Final answer
    x = 39,939.90

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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.