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Finding the Fourth Proportional to 132,936.59, 199,493.57 and 68,953.71

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Solution

The fourth proportional to 132,936.59, 199,493.57 and 68,953.71 is: 103,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,936.59 : 199,493.57 = 68,953.71 : x
  2. Step 2: Convert to fraction form
    132,936.59/199,493.57 = 68,953.71/x
  3. Step 3: Cross multiply
    132,936.59x = 199,493.57 × 68,953.71
  4. Step 4: Simplify right side
    132,936.59x = 13,755,820,622.04
  5. Step 5: Solve for x
    x = 13,755,820,622.04/132,936.59
  6. Step 6: Final answer
    x = 103,476.55

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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.