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Finding the Fourth Proportional to 159,243.63, 238,902.35 and 54,062.60

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Solution

The fourth proportional to 159,243.63, 238,902.35 and 54,062.60 is: 81,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,243.63 : 238,902.35 = 54,062.60 : x
  2. Step 2: Convert to fraction form
    159,243.63/238,902.35 = 54,062.60/x
  3. Step 3: Cross multiply
    159,243.63x = 238,902.35 × 54,062.60
  4. Step 4: Simplify right side
    159,243.63x = 12,915,682,187.11
  5. Step 5: Solve for x
    x = 12,915,682,187.11/159,243.63
  6. Step 6: Final answer
    x = 81,106.43

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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.