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Finding the Fourth Proportional to 83,954.25, 115,881.29 and 67,076.01

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Solution

The fourth proportional to 83,954.25, 115,881.29 and 67,076.01 is: 92,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,954.25 : 115,881.29 = 67,076.01 : x
  2. Step 2: Convert to fraction form
    83,954.25/115,881.29 = 67,076.01/x
  3. Step 3: Cross multiply
    83,954.25x = 115,881.29 × 67,076.01
  4. Step 4: Simplify right side
    83,954.25x = 7,772,854,566.85
  5. Step 5: Solve for x
    x = 7,772,854,566.85/83,954.25
  6. Step 6: Final answer
    x = 92,584.41

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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.