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Finding the Fourth Proportional to 135,850.54, 203,510.72 and 88,961.26

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Solution

The fourth proportional to 135,850.54, 203,510.72 and 88,961.26 is: 133,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,850.54 : 203,510.72 = 88,961.26 : x
  2. Step 2: Convert to fraction form
    135,850.54/203,510.72 = 88,961.26/x
  3. Step 3: Cross multiply
    135,850.54x = 203,510.72 × 88,961.26
  4. Step 4: Simplify right side
    135,850.54x = 18,104,570,074.71
  5. Step 5: Solve for x
    x = 18,104,570,074.71/135,850.54
  6. Step 6: Final answer
    x = 133,268.30

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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.