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Finding the Fourth Proportional to 40,118.96, 55,347.96 and 23,114.09

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Solution

The fourth proportional to 40,118.96, 55,347.96 and 23,114.09 is: 31,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.96 : 55,347.96 = 23,114.09 : x
  2. Step 2: Convert to fraction form
    40,118.96/55,347.96 = 23,114.09/x
  3. Step 3: Cross multiply
    40,118.96x = 55,347.96 × 23,114.09
  4. Step 4: Simplify right side
    40,118.96x = 1,279,317,336.45
  5. Step 5: Solve for x
    x = 1,279,317,336.45/40,118.96
  6. Step 6: Final answer
    x = 31,888.10

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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.