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Finding the Fourth Proportional to 40,167.26, 55,424.54 and 23,172.14

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Solution

The fourth proportional to 40,167.26, 55,424.54 and 23,172.14 is: 31,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.26 : 55,424.54 = 23,172.14 : x
  2. Step 2: Convert to fraction form
    40,167.26/55,424.54 = 23,172.14/x
  3. Step 3: Cross multiply
    40,167.26x = 55,424.54 × 23,172.14
  4. Step 4: Simplify right side
    40,167.26x = 1,284,305,200.32
  5. Step 5: Solve for x
    x = 1,284,305,200.32/40,167.26
  6. Step 6: Final answer
    x = 31,973.93

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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.