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Finding the Fourth Proportional to 88,892.35, 133,338.53 and 82,133.95

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Solution

The fourth proportional to 88,892.35, 133,338.53 and 82,133.95 is: 123,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,892.35 : 133,338.53 = 82,133.95 : x
  2. Step 2: Convert to fraction form
    88,892.35/133,338.53 = 82,133.95/x
  3. Step 3: Cross multiply
    88,892.35x = 133,338.53 × 82,133.95
  4. Step 4: Simplify right side
    88,892.35x = 10,951,620,156.09
  5. Step 5: Solve for x
    x = 10,951,620,156.09/88,892.35
  6. Step 6: Final answer
    x = 123,200.93

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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.