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Finding the Fourth Proportional to 133,696.78, 184,512.74 and 109,756.42

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Solution

The fourth proportional to 133,696.78, 184,512.74 and 109,756.42 is: 151,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,696.78 : 184,512.74 = 109,756.42 : x
  2. Step 2: Convert to fraction form
    133,696.78/184,512.74 = 109,756.42/x
  3. Step 3: Cross multiply
    133,696.78x = 184,512.74 × 109,756.42
  4. Step 4: Simplify right side
    133,696.78x = 20,251,456,776.73
  5. Step 5: Solve for x
    x = 20,251,456,776.73/133,696.78
  6. Step 6: Final answer
    x = 151,473.04

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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.