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Finding the Fourth Proportional to 117,983.32, 177,001.32 and 43,103.44

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Solution

The fourth proportional to 117,983.32, 177,001.32 and 43,103.44 is: 64,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,983.32 : 177,001.32 = 43,103.44 : x
  2. Step 2: Convert to fraction form
    117,983.32/177,001.32 = 43,103.44/x
  3. Step 3: Cross multiply
    117,983.32x = 177,001.32 × 43,103.44
  4. Step 4: Simplify right side
    117,983.32x = 7,629,365,776.54
  5. Step 5: Solve for x
    x = 7,629,365,776.54/117,983.32
  6. Step 6: Final answer
    x = 64,664.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.