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Finding the Fourth Proportional to 54,572.76, 81,771.72 and 49,323.96

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Solution

The fourth proportional to 54,572.76, 81,771.72 and 49,323.96 is: 73,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.76 : 81,771.72 = 49,323.96 : x
  2. Step 2: Convert to fraction form
    54,572.76/81,771.72 = 49,323.96/x
  3. Step 3: Cross multiply
    54,572.76x = 81,771.72 × 49,323.96
  4. Step 4: Simplify right side
    54,572.76x = 4,033,305,046.41
  5. Step 5: Solve for x
    x = 4,033,305,046.41/54,572.76
  6. Step 6: Final answer
    x = 73,906.93

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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.