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Finding the Fourth Proportional to 177,289.68, 244,640.89 and 99,763.97

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Solution

The fourth proportional to 177,289.68, 244,640.89 and 99,763.97 is: 137,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,289.68 : 244,640.89 = 99,763.97 : x
  2. Step 2: Convert to fraction form
    177,289.68/244,640.89 = 99,763.97/x
  3. Step 3: Cross multiply
    177,289.68x = 244,640.89 × 99,763.97
  4. Step 4: Simplify right side
    177,289.68x = 24,406,346,410.73
  5. Step 5: Solve for x
    x = 24,406,346,410.73/177,289.68
  6. Step 6: Final answer
    x = 137,663.66

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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.