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Finding the Fourth Proportional to 168,154, 232,046.76 and 92,698

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Solution

The fourth proportional to 168,154, 232,046.76 and 92,698 is: 127,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,154 : 232,046.76 = 92,698 : x
  2. Step 2: Convert to fraction form
    168,154/232,046.76 = 92,698/x
  3. Step 3: Cross multiply
    168,154x = 232,046.76 × 92,698
  4. Step 4: Simplify right side
    168,154x = 21,510,270,558.48
  5. Step 5: Solve for x
    x = 21,510,270,558.48/168,154
  6. Step 6: Final answer
    x = 127,920.06

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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.