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Finding the Fourth Proportional to 121,496.77, 167,677.17 and 67,786.77

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Solution

The fourth proportional to 121,496.77, 167,677.17 and 67,786.77 is: 93,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,496.77 : 167,677.17 = 67,786.77 : x
  2. Step 2: Convert to fraction form
    121,496.77/167,677.17 = 67,786.77/x
  3. Step 3: Cross multiply
    121,496.77x = 167,677.17 × 67,786.77
  4. Step 4: Simplify right side
    121,496.77x = 11,366,293,757.04
  5. Step 5: Solve for x
    x = 11,366,293,757.04/121,496.77
  6. Step 6: Final answer
    x = 93,552.23

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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.