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Finding the Fourth Proportional to 177,396.41, 244,805.05 and 100,913.72

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Solution

The fourth proportional to 177,396.41, 244,805.05 and 100,913.72 is: 139,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,396.41 : 244,805.05 = 100,913.72 : x
  2. Step 2: Convert to fraction form
    177,396.41/244,805.05 = 100,913.72/x
  3. Step 3: Cross multiply
    177,396.41x = 244,805.05 × 100,913.72
  4. Step 4: Simplify right side
    177,396.41x = 24,704,186,793.98
  5. Step 5: Solve for x
    x = 24,704,186,793.98/177,396.41
  6. Step 6: Final answer
    x = 139,259.79

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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.