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Finding the Fourth Proportional to 135,850.53, 203,510.70 and 88,961.25

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Solution

The fourth proportional to 135,850.53, 203,510.70 and 88,961.25 is: 133,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,850.53 : 203,510.70 = 88,961.25 : x
  2. Step 2: Convert to fraction form
    135,850.53/203,510.70 = 88,961.25/x
  3. Step 3: Cross multiply
    135,850.53x = 203,510.70 × 88,961.25
  4. Step 4: Simplify right side
    135,850.53x = 18,104,566,260.38
  5. Step 5: Solve for x
    x = 18,104,566,260.38/135,850.53
  6. Step 6: Final answer
    x = 133,268.28

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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.