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Finding the Fourth Proportional to 361,109.24, 541,662.53 and 108,388.63

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Solution

The fourth proportional to 361,109.24, 541,662.53 and 108,388.63 is: 162,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,109.24 : 541,662.53 = 108,388.63 : x
  2. Step 2: Convert to fraction form
    361,109.24/541,662.53 = 108,388.63/x
  3. Step 3: Cross multiply
    361,109.24x = 541,662.53 × 108,388.63
  4. Step 4: Simplify right side
    361,109.24x = 58,710,057,652.93
  5. Step 5: Solve for x
    x = 58,710,057,652.93/361,109.24
  6. Step 6: Final answer
    x = 162,582.54

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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.