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Finding the Fourth Proportional to 163,003.37, 224,944.49 and 91,383.41

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Solution

The fourth proportional to 163,003.37, 224,944.49 and 91,383.41 is: 126,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,003.37 : 224,944.49 = 91,383.41 : x
  2. Step 2: Convert to fraction form
    163,003.37/224,944.49 = 91,383.41/x
  3. Step 3: Cross multiply
    163,003.37x = 224,944.49 × 91,383.41
  4. Step 4: Simplify right side
    163,003.37x = 20,556,192,975.27
  5. Step 5: Solve for x
    x = 20,556,192,975.27/163,003.37
  6. Step 6: Final answer
    x = 126,109.01

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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.