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Finding the Fourth Proportional to 89,227.86, 133,861.59 and 26,893.86

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Solution

The fourth proportional to 89,227.86, 133,861.59 and 26,893.86 is: 40,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,227.86 : 133,861.59 = 26,893.86 : x
  2. Step 2: Convert to fraction form
    89,227.86/133,861.59 = 26,893.86/x
  3. Step 3: Cross multiply
    89,227.86x = 133,861.59 × 26,893.86
  4. Step 4: Simplify right side
    89,227.86x = 3,600,054,860.84
  5. Step 5: Solve for x
    x = 3,600,054,860.84/89,227.86
  6. Step 6: Final answer
    x = 40,346.76

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1.5x scale

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.