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Finding the Fourth Proportional to 272,035.92, 375,380.28 and 151,149.90

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Solution

The fourth proportional to 272,035.92, 375,380.28 and 151,149.90 is: 208,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,035.92 : 375,380.28 = 151,149.90 : x
  2. Step 2: Convert to fraction form
    272,035.92/375,380.28 = 151,149.90/x
  3. Step 3: Cross multiply
    272,035.92x = 375,380.28 × 151,149.90
  4. Step 4: Simplify right side
    272,035.92x = 56,738,691,783.97
  5. Step 5: Solve for x
    x = 56,738,691,783.97/272,035.92
  6. Step 6: Final answer
    x = 208,570.59

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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.