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Finding the Fourth Proportional to 272,543.28, 375,896.34 and 177,081

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Solution

The fourth proportional to 272,543.28, 375,896.34 and 177,081 is: 244,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,543.28 : 375,896.34 = 177,081 : x
  2. Step 2: Convert to fraction form
    272,543.28/375,896.34 = 177,081/x
  3. Step 3: Cross multiply
    272,543.28x = 375,896.34 × 177,081
  4. Step 4: Simplify right side
    272,543.28x = 66,564,099,783.54
  5. Step 5: Solve for x
    x = 66,564,099,783.54/272,543.28
  6. Step 6: Final answer
    x = 244,233.14

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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.