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Finding the Fourth Proportional to 127,183.82, 175,493.28 and 73,458.92

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Solution

The fourth proportional to 127,183.82, 175,493.28 and 73,458.92 is: 101,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,183.82 : 175,493.28 = 73,458.92 : x
  2. Step 2: Convert to fraction form
    127,183.82/175,493.28 = 73,458.92/x
  3. Step 3: Cross multiply
    127,183.82x = 175,493.28 × 73,458.92
  4. Step 4: Simplify right side
    127,183.82x = 12,891,546,816.06
  5. Step 5: Solve for x
    x = 12,891,546,816.06/127,183.82
  6. Step 6: Final answer
    x = 101,361.53

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1.5x scale

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.