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Finding the Fourth Proportional to 89,451.60, 134,161.17 and 36,141.60

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Solution

The fourth proportional to 89,451.60, 134,161.17 and 36,141.60 is: 54,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,451.60 : 134,161.17 = 36,141.60 : x
  2. Step 2: Convert to fraction form
    89,451.60/134,161.17 = 36,141.60/x
  3. Step 3: Cross multiply
    89,451.60x = 134,161.17 × 36,141.60
  4. Step 4: Simplify right side
    89,451.60x = 4,848,799,341.67
  5. Step 5: Solve for x
    x = 4,848,799,341.67/89,451.60
  6. Step 6: Final answer
    x = 54,205.84

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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.