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Finding the Fourth Proportional to 175,640.82, 263,460.82 and 135,717.84

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Solution

The fourth proportional to 175,640.82, 263,460.82 and 135,717.84 is: 203,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,640.82 : 263,460.82 = 135,717.84 : x
  2. Step 2: Convert to fraction form
    175,640.82/263,460.82 = 135,717.84/x
  3. Step 3: Cross multiply
    175,640.82x = 263,460.82 × 135,717.84
  4. Step 4: Simplify right side
    175,640.82x = 35,756,333,415.03
  5. Step 5: Solve for x
    x = 35,756,333,415.03/175,640.82
  6. Step 6: Final answer
    x = 203,576.44

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1.5x scale

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.