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Finding the Fourth Proportional to 136,012.92, 204,018.97 and 36,173.02

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Solution

The fourth proportional to 136,012.92, 204,018.97 and 36,173.02 is: 54,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,012.92 : 204,018.97 = 36,173.02 : x
  2. Step 2: Convert to fraction form
    136,012.92/204,018.97 = 36,173.02/x
  3. Step 3: Cross multiply
    136,012.92x = 204,018.97 × 36,173.02
  4. Step 4: Simplify right side
    136,012.92x = 7,379,982,282.19
  5. Step 5: Solve for x
    x = 7,379,982,282.19/136,012.92
  6. Step 6: Final answer
    x = 54,259.42

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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.