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Finding the Fourth Proportional to 133,696.98, 184,496.54 and 79,949.97

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Solution

The fourth proportional to 133,696.98, 184,496.54 and 79,949.97 is: 110,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,696.98 : 184,496.54 = 79,949.97 : x
  2. Step 2: Convert to fraction form
    133,696.98/184,496.54 = 79,949.97/x
  3. Step 3: Cross multiply
    133,696.98x = 184,496.54 × 79,949.97
  4. Step 4: Simplify right side
    133,696.98x = 14,750,492,838.10
  5. Step 5: Solve for x
    x = 14,750,492,838.10/133,696.98
  6. Step 6: Final answer
    x = 110,327.79

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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.