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Finding the Fourth Proportional to 117,175.35, 175,646.39 and 67,195.11

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Solution

The fourth proportional to 117,175.35, 175,646.39 and 67,195.11 is: 100,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.35 : 175,646.39 = 67,195.11 : x
  2. Step 2: Convert to fraction form
    117,175.35/175,646.39 = 67,195.11/x
  3. Step 3: Cross multiply
    117,175.35x = 175,646.39 × 67,195.11
  4. Step 4: Simplify right side
    117,175.35x = 11,802,578,161.18
  5. Step 5: Solve for x
    x = 11,802,578,161.18/117,175.35
  6. Step 6: Final answer
    x = 100,725.78

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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.