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Finding the Fourth Proportional to 111,741.78, 154,201.42 and 60,755.52

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Solution

The fourth proportional to 111,741.78, 154,201.42 and 60,755.52 is: 83,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741.78 : 154,201.42 = 60,755.52 : x
  2. Step 2: Convert to fraction form
    111,741.78/154,201.42 = 60,755.52/x
  3. Step 3: Cross multiply
    111,741.78x = 154,201.42 × 60,755.52
  4. Step 4: Simplify right side
    111,741.78x = 9,368,587,456.84
  5. Step 5: Solve for x
    x = 9,368,587,456.84/111,741.78
  6. Step 6: Final answer
    x = 83,841.40

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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.