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Finding the Fourth Proportional to 89,117.86, 133,676.73 and 35,809.85

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Solution

The fourth proportional to 89,117.86, 133,676.73 and 35,809.85 is: 53,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.86 : 133,676.73 = 35,809.85 : x
  2. Step 2: Convert to fraction form
    89,117.86/133,676.73 = 35,809.85/x
  3. Step 3: Cross multiply
    89,117.86x = 133,676.73 × 35,809.85
  4. Step 4: Simplify right side
    89,117.86x = 4,786,943,232.05
  5. Step 5: Solve for x
    x = 4,786,943,232.05/89,117.86
  6. Step 6: Final answer
    x = 53,714.75

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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.