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Finding the Fourth Proportional to 89,260.92, 133,765.53 and 49,297.92

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Solution

The fourth proportional to 89,260.92, 133,765.53 and 49,297.92 is: 73,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,260.92 : 133,765.53 = 49,297.92 : x
  2. Step 2: Convert to fraction form
    89,260.92/133,765.53 = 49,297.92/x
  3. Step 3: Cross multiply
    89,260.92x = 133,765.53 × 49,297.92
  4. Step 4: Simplify right side
    89,260.92x = 6,594,361,710.21
  5. Step 5: Solve for x
    x = 6,594,361,710.21/89,260.92
  6. Step 6: Final answer
    x = 73,877.37

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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.