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Finding the Fourth Proportional to 89,224.86, 133,857.09 and 26,890.86

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Solution

The fourth proportional to 89,224.86, 133,857.09 and 26,890.86 is: 40,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.86 : 133,857.09 = 26,890.86 : x
  2. Step 2: Convert to fraction form
    89,224.86/133,857.09 = 26,890.86/x
  3. Step 3: Cross multiply
    89,224.86x = 133,857.09 × 26,890.86
  4. Step 4: Simplify right side
    89,224.86x = 3,599,532,267.20
  5. Step 5: Solve for x
    x = 3,599,532,267.20/89,224.86
  6. Step 6: Final answer
    x = 40,342.26

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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.