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Finding the Fourth Proportional to 55,608.08, 76,738.56 and 30,114.02

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Solution

The fourth proportional to 55,608.08, 76,738.56 and 30,114.02 is: 41,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.08 : 76,738.56 = 30,114.02 : x
  2. Step 2: Convert to fraction form
    55,608.08/76,738.56 = 30,114.02/x
  3. Step 3: Cross multiply
    55,608.08x = 76,738.56 × 30,114.02
  4. Step 4: Simplify right side
    55,608.08x = 2,310,906,530.61
  5. Step 5: Solve for x
    x = 2,310,906,530.61/55,608.08
  6. Step 6: Final answer
    x = 41,557.03

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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.