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Finding the Fourth Proportional to 89,187.94, 133,781.64 and 22,627.95

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Solution

The fourth proportional to 89,187.94, 133,781.64 and 22,627.95 is: 33,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.94 : 133,781.64 = 22,627.95 : x
  2. Step 2: Convert to fraction form
    89,187.94/133,781.64 = 22,627.95/x
  3. Step 3: Cross multiply
    89,187.94x = 133,781.64 × 22,627.95
  4. Step 4: Simplify right side
    89,187.94x = 3,027,204,260.84
  5. Step 5: Solve for x
    x = 3,027,204,260.84/89,187.94
  6. Step 6: Final answer
    x = 33,941.86

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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.