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Finding the Fourth Proportional to 135,864.30, 203,801.98 and 34,664.98

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Solution

The fourth proportional to 135,864.30, 203,801.98 and 34,664.98 is: 51,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,864.30 : 203,801.98 = 34,664.98 : x
  2. Step 2: Convert to fraction form
    135,864.30/203,801.98 = 34,664.98/x
  3. Step 3: Cross multiply
    135,864.30x = 203,801.98 × 34,664.98
  4. Step 4: Simplify right side
    135,864.30x = 7,064,791,560.66
  5. Step 5: Solve for x
    x = 7,064,791,560.66/135,864.30
  6. Step 6: Final answer
    x = 51,998.88

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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.