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Finding the Fourth Proportional to 54,072.70, 74,078.36 and 52,051.15

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Solution

The fourth proportional to 54,072.70, 74,078.36 and 52,051.15 is: 71,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.70 : 74,078.36 = 52,051.15 : x
  2. Step 2: Convert to fraction form
    54,072.70/74,078.36 = 52,051.15/x
  3. Step 3: Cross multiply
    54,072.70x = 74,078.36 × 52,051.15
  4. Step 4: Simplify right side
    54,072.70x = 3,855,863,828.11
  5. Step 5: Solve for x
    x = 3,855,863,828.11/54,072.70
  6. Step 6: Final answer
    x = 71,308.88

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.