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Finding the Fourth Proportional to 248,076.96, 371,896.86 and 98,422.32

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Solution

The fourth proportional to 248,076.96, 371,896.86 and 98,422.32 is: 147,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,076.96 : 371,896.86 = 98,422.32 : x
  2. Step 2: Convert to fraction form
    248,076.96/371,896.86 = 98,422.32/x
  3. Step 3: Cross multiply
    248,076.96x = 371,896.86 × 98,422.32
  4. Step 4: Simplify right side
    248,076.96x = 36,602,951,761.92
  5. Step 5: Solve for x
    x = 36,602,951,761.92/248,076.96
  6. Step 6: Final answer
    x = 147,546.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.