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Finding the Fourth Proportional to 248,472.99, 372,769.01 and 80,009.15

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Solution

The fourth proportional to 248,472.99, 372,769.01 and 80,009.15 is: 120,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,472.99 : 372,769.01 = 80,009.15 : x
  2. Step 2: Convert to fraction form
    248,472.99/372,769.01 = 80,009.15/x
  3. Step 3: Cross multiply
    248,472.99x = 372,769.01 × 80,009.15
  4. Step 4: Simplify right side
    248,472.99x = 29,824,929,372.55
  5. Step 5: Solve for x
    x = 29,824,929,372.55/248,472.99
  6. Step 6: Final answer
    x = 120,032.88

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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.