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Finding the Fourth Proportional to 129,361.95, 194,042.97 and 58,201.47

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Solution

The fourth proportional to 129,361.95, 194,042.97 and 58,201.47 is: 87,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361.95 : 194,042.97 = 58,201.47 : x
  2. Step 2: Convert to fraction form
    129,361.95/194,042.97 = 58,201.47/x
  3. Step 3: Cross multiply
    129,361.95x = 194,042.97 × 58,201.47
  4. Step 4: Simplify right side
    129,361.95x = 11,293,586,097.17
  5. Step 5: Solve for x
    x = 11,293,586,097.17/129,361.95
  6. Step 6: Final answer
    x = 87,302.23

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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.