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Finding the Fourth Proportional to 89,866.44, 134,882.46 and 45,524.07

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Solution

The fourth proportional to 89,866.44, 134,882.46 and 45,524.07 is: 68,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.44 : 134,882.46 = 45,524.07 : x
  2. Step 2: Convert to fraction form
    89,866.44/134,882.46 = 45,524.07/x
  3. Step 3: Cross multiply
    89,866.44x = 134,882.46 × 45,524.07
  4. Step 4: Simplify right side
    89,866.44x = 6,140,398,550.81
  5. Step 5: Solve for x
    x = 6,140,398,550.81/89,866.44
  6. Step 6: Final answer
    x = 68,328.05

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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.