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Finding the Fourth Proportional to 89,850.81, 134,775.41 and 34,446.81

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Solution

The fourth proportional to 89,850.81, 134,775.41 and 34,446.81 is: 51,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.81 : 134,775.41 = 34,446.81 : x
  2. Step 2: Convert to fraction form
    89,850.81/134,775.41 = 34,446.81/x
  3. Step 3: Cross multiply
    89,850.81x = 134,775.41 × 34,446.81
  4. Step 4: Simplify right side
    89,850.81x = 4,642,582,768.71
  5. Step 5: Solve for x
    x = 4,642,582,768.71/89,850.81
  6. Step 6: Final answer
    x = 51,669.90

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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.