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Finding the Fourth Proportional to 234,638.88, 351,760.56 and 159,548.64

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Solution

The fourth proportional to 234,638.88, 351,760.56 and 159,548.64 is: 239,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,638.88 : 351,760.56 = 159,548.64 : x
  2. Step 2: Convert to fraction form
    234,638.88/351,760.56 = 159,548.64/x
  3. Step 3: Cross multiply
    234,638.88x = 351,760.56 × 159,548.64
  4. Step 4: Simplify right side
    234,638.88x = 56,122,918,953.64
  5. Step 5: Solve for x
    x = 56,122,918,953.64/234,638.88
  6. Step 6: Final answer
    x = 239,188.49

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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.