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Finding the Fourth Proportional to 180,963.39, 271,583.64 and 130,338.09

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Solution

The fourth proportional to 180,963.39, 271,583.64 and 130,338.09 is: 195,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,963.39 : 271,583.64 = 130,338.09 : x
  2. Step 2: Convert to fraction form
    180,963.39/271,583.64 = 130,338.09/x
  3. Step 3: Cross multiply
    180,963.39x = 271,583.64 × 130,338.09
  4. Step 4: Simplify right side
    180,963.39x = 35,397,692,912.85
  5. Step 5: Solve for x
    x = 35,397,692,912.85/180,963.39
  6. Step 6: Final answer
    x = 195,606.93

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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.