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Finding the Fourth Proportional to 177,420.32, 244,424.12 and 123,608

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Solution

The fourth proportional to 177,420.32, 244,424.12 and 123,608 is: 170,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,420.32 : 244,424.12 = 123,608 : x
  2. Step 2: Convert to fraction form
    177,420.32/244,424.12 = 123,608/x
  3. Step 3: Cross multiply
    177,420.32x = 244,424.12 × 123,608
  4. Step 4: Simplify right side
    177,420.32x = 30,212,776,624.96
  5. Step 5: Solve for x
    x = 30,212,776,624.96/177,420.32
  6. Step 6: Final answer
    x = 170,289.27

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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.