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Finding the Fourth Proportional to 201,246.73, 277,714.61 and 115,202.86

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Solution

The fourth proportional to 201,246.73, 277,714.61 and 115,202.86 is: 158,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,246.73 : 277,714.61 = 115,202.86 : x
  2. Step 2: Convert to fraction form
    201,246.73/277,714.61 = 115,202.86/x
  3. Step 3: Cross multiply
    201,246.73x = 277,714.61 × 115,202.86
  4. Step 4: Simplify right side
    201,246.73x = 31,993,517,335.78
  5. Step 5: Solve for x
    x = 31,993,517,335.78/201,246.73
  6. Step 6: Final answer
    x = 158,976.58

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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.