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Finding the Fourth Proportional to 135,963.06, 203,874.52 and 61,018.94

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Solution

The fourth proportional to 135,963.06, 203,874.52 and 61,018.94 is: 91,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,963.06 : 203,874.52 = 61,018.94 : x
  2. Step 2: Convert to fraction form
    135,963.06/203,874.52 = 61,018.94/x
  3. Step 3: Cross multiply
    135,963.06x = 203,874.52 × 61,018.94
  4. Step 4: Simplify right side
    135,963.06x = 12,440,207,103.41
  5. Step 5: Solve for x
    x = 12,440,207,103.41/135,963.06
  6. Step 6: Final answer
    x = 91,496.96

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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.