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Finding the Fourth Proportional to 177,294.70, 244,698.42 and 105,679.36

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Solution

The fourth proportional to 177,294.70, 244,698.42 and 105,679.36 is: 145,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,294.70 : 244,698.42 = 105,679.36 : x
  2. Step 2: Convert to fraction form
    177,294.70/244,698.42 = 105,679.36/x
  3. Step 3: Cross multiply
    177,294.70x = 244,698.42 × 105,679.36
  4. Step 4: Simplify right side
    177,294.70x = 25,859,572,418.61
  5. Step 5: Solve for x
    x = 25,859,572,418.61/177,294.70
  6. Step 6: Final answer
    x = 145,856.43

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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.