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Finding the Fourth Proportional to 159,361.56, 238,893.84 and 54,108.54

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Solution

The fourth proportional to 159,361.56, 238,893.84 and 54,108.54 is: 81,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,361.56 : 238,893.84 = 54,108.54 : x
  2. Step 2: Convert to fraction form
    159,361.56/238,893.84 = 54,108.54/x
  3. Step 3: Cross multiply
    159,361.56x = 238,893.84 × 54,108.54
  4. Step 4: Simplify right side
    159,361.56x = 12,926,196,897.39
  5. Step 5: Solve for x
    x = 12,926,196,897.39/159,361.56
  6. Step 6: Final answer
    x = 81,112.39

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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.