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Finding the Fourth Proportional to 188,062.66, 259,544.05 and 107,474.45

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Solution

The fourth proportional to 188,062.66, 259,544.05 and 107,474.45 is: 148,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,062.66 : 259,544.05 = 107,474.45 : x
  2. Step 2: Convert to fraction form
    188,062.66/259,544.05 = 107,474.45/x
  3. Step 3: Cross multiply
    188,062.66x = 259,544.05 × 107,474.45
  4. Step 4: Simplify right side
    188,062.66x = 27,894,352,458.12
  5. Step 5: Solve for x
    x = 27,894,352,458.12/188,062.66
  6. Step 6: Final answer
    x = 148,324.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.