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Finding the Fourth Proportional to 272,879.67, 409,385.04 and 104,397.24

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Solution

The fourth proportional to 272,879.67, 409,385.04 and 104,397.24 is: 156,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,879.67 : 409,385.04 = 104,397.24 : x
  2. Step 2: Convert to fraction form
    272,879.67/409,385.04 = 104,397.24/x
  3. Step 3: Cross multiply
    272,879.67x = 409,385.04 × 104,397.24
  4. Step 4: Simplify right side
    272,879.67x = 42,738,668,273.29
  5. Step 5: Solve for x
    x = 42,738,668,273.29/272,879.67
  6. Step 6: Final answer
    x = 156,620.93

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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.