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Finding the Fourth Proportional to 89,645.82, 134,489.79 and 50,230.14

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Solution

The fourth proportional to 89,645.82, 134,489.79 and 50,230.14 is: 75,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,645.82 : 134,489.79 = 50,230.14 : x
  2. Step 2: Convert to fraction form
    89,645.82/134,489.79 = 50,230.14/x
  3. Step 3: Cross multiply
    89,645.82x = 134,489.79 × 50,230.14
  4. Step 4: Simplify right side
    89,645.82x = 6,755,440,980.27
  5. Step 5: Solve for x
    x = 6,755,440,980.27/89,645.82
  6. Step 6: Final answer
    x = 75,357.01

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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.