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Finding the Fourth Proportional to 89,180.91, 133,793.64 and 62,936.91

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Solution

The fourth proportional to 89,180.91, 133,793.64 and 62,936.91 is: 94,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,180.91 : 133,793.64 = 62,936.91 : x
  2. Step 2: Convert to fraction form
    89,180.91/133,793.64 = 62,936.91/x
  3. Step 3: Cross multiply
    89,180.91x = 133,793.64 × 62,936.91
  4. Step 4: Simplify right side
    89,180.91x = 8,420,558,279.25
  5. Step 5: Solve for x
    x = 8,420,558,279.25/89,180.91
  6. Step 6: Final answer
    x = 94,421.08

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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.