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Finding the Fourth Proportional to 177,121.93, 244,419.02 and 100,630.41

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Solution

The fourth proportional to 177,121.93, 244,419.02 and 100,630.41 is: 138,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,121.93 : 244,419.02 = 100,630.41 : x
  2. Step 2: Convert to fraction form
    177,121.93/244,419.02 = 100,630.41/x
  3. Step 3: Cross multiply
    177,121.93x = 244,419.02 × 100,630.41
  4. Step 4: Simplify right side
    177,121.93x = 24,595,986,194.40
  5. Step 5: Solve for x
    x = 24,595,986,194.40/177,121.93
  6. Step 6: Final answer
    x = 138,864.71

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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.