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Finding the Fourth Proportional to 197,433.72, 272,458.62 and 111,410.91

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Solution

The fourth proportional to 197,433.72, 272,458.62 and 111,410.91 is: 153,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,433.72 : 272,458.62 = 111,410.91 : x
  2. Step 2: Convert to fraction form
    197,433.72/272,458.62 = 111,410.91/x
  3. Step 3: Cross multiply
    197,433.72x = 272,458.62 × 111,410.91
  4. Step 4: Simplify right side
    197,433.72x = 30,354,862,791.54
  5. Step 5: Solve for x
    x = 30,354,862,791.54/197,433.72
  6. Step 6: Final answer
    x = 153,747.10

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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.