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Finding the Fourth Proportional to 89,530.50, 134,297.29 and 30,367.69

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Solution

The fourth proportional to 89,530.50, 134,297.29 and 30,367.69 is: 45,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,530.50 : 134,297.29 = 30,367.69 : x
  2. Step 2: Convert to fraction form
    89,530.50/134,297.29 = 30,367.69/x
  3. Step 3: Cross multiply
    89,530.50x = 134,297.29 × 30,367.69
  4. Step 4: Simplify right side
    89,530.50x = 4,078,298,470.56
  5. Step 5: Solve for x
    x = 4,078,298,470.56/89,530.50
  6. Step 6: Final answer
    x = 45,552.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.