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Finding the Fourth Proportional to 183,749.25, 275,695.19 and 71,508.30

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Solution

The fourth proportional to 183,749.25, 275,695.19 and 71,508.30 is: 107,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,749.25 : 275,695.19 = 71,508.30 : x
  2. Step 2: Convert to fraction form
    183,749.25/275,695.19 = 71,508.30/x
  3. Step 3: Cross multiply
    183,749.25x = 275,695.19 × 71,508.30
  4. Step 4: Simplify right side
    183,749.25x = 19,714,493,997.54
  5. Step 5: Solve for x
    x = 19,714,493,997.54/183,749.25
  6. Step 6: Final answer
    x = 107,290.20

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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.