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Finding the Fourth Proportional to 89,186.92, 133,787.66 and 44,790.84

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Solution

The fourth proportional to 89,186.92, 133,787.66 and 44,790.84 is: 67,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.92 : 133,787.66 = 44,790.84 : x
  2. Step 2: Convert to fraction form
    89,186.92/133,787.66 = 44,790.84/x
  3. Step 3: Cross multiply
    89,186.92x = 133,787.66 × 44,790.84
  4. Step 4: Simplify right side
    89,186.92x = 5,992,461,673.03
  5. Step 5: Solve for x
    x = 5,992,461,673.03/89,186.92
  6. Step 6: Final answer
    x = 67,189.92

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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.