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Finding the Fourth Proportional to 135,902.58, 203,858.13 and 64,832.94

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Solution

The fourth proportional to 135,902.58, 203,858.13 and 64,832.94 is: 97,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,902.58 : 203,858.13 = 64,832.94 : x
  2. Step 2: Convert to fraction form
    135,902.58/203,858.13 = 64,832.94/x
  3. Step 3: Cross multiply
    135,902.58x = 203,858.13 × 64,832.94
  4. Step 4: Simplify right side
    135,902.58x = 13,216,722,153.93
  5. Step 5: Solve for x
    x = 13,216,722,153.93/135,902.58
  6. Step 6: Final answer
    x = 97,251.45

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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.