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Finding the Fourth Proportional to 168,366.84, 232,338.92 and 91,884

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Solution

The fourth proportional to 168,366.84, 232,338.92 and 91,884 is: 126,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,366.84 : 232,338.92 = 91,884 : x
  2. Step 2: Convert to fraction form
    168,366.84/232,338.92 = 91,884/x
  3. Step 3: Cross multiply
    168,366.84x = 232,338.92 × 91,884
  4. Step 4: Simplify right side
    168,366.84x = 21,348,229,325.28
  5. Step 5: Solve for x
    x = 21,348,229,325.28/168,366.84
  6. Step 6: Final answer
    x = 126,795.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.