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Finding the Fourth Proportional to 54,555.44, 75,321.45 and 49,175.42

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Solution

The fourth proportional to 54,555.44, 75,321.45 and 49,175.42 is: 67,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.44 : 75,321.45 = 49,175.42 : x
  2. Step 2: Convert to fraction form
    54,555.44/75,321.45 = 49,175.42/x
  3. Step 3: Cross multiply
    54,555.44x = 75,321.45 × 49,175.42
  4. Step 4: Simplify right side
    54,555.44x = 3,703,963,562.15
  5. Step 5: Solve for x
    x = 3,703,963,562.15/54,555.44
  6. Step 6: Final answer
    x = 67,893.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.