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Finding the Fourth Proportional to 135,625.93, 203,415.67 and 35,787.16

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Solution

The fourth proportional to 135,625.93, 203,415.67 and 35,787.16 is: 53,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,625.93 : 203,415.67 = 35,787.16 : x
  2. Step 2: Convert to fraction form
    135,625.93/203,415.67 = 35,787.16/x
  3. Step 3: Cross multiply
    135,625.93x = 203,415.67 × 35,787.16
  4. Step 4: Simplify right side
    135,625.93x = 7,279,669,128.80
  5. Step 5: Solve for x
    x = 7,279,669,128.80/135,625.93
  6. Step 6: Final answer
    x = 53,674.61

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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.