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Finding the Fourth Proportional to 272,608.00, 408,774.67 and 158,792.47

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Solution

The fourth proportional to 272,608.00, 408,774.67 and 158,792.47 is: 238,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,608.00 : 408,774.67 = 158,792.47 : x
  2. Step 2: Convert to fraction form
    272,608.00/408,774.67 = 158,792.47/x
  3. Step 3: Cross multiply
    272,608.00x = 408,774.67 × 158,792.47
  4. Step 4: Simplify right side
    272,608.00x = 64,910,338,103.82
  5. Step 5: Solve for x
    x = 64,910,338,103.82/272,608.00
  6. Step 6: Final answer
    x = 238,108.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.