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Finding the Fourth Proportional to 179,300.88, 268,859.52 and 100,393.92

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Solution

The fourth proportional to 179,300.88, 268,859.52 and 100,393.92 is: 150,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,300.88 : 268,859.52 = 100,393.92 : x
  2. Step 2: Convert to fraction form
    179,300.88/268,859.52 = 100,393.92/x
  3. Step 3: Cross multiply
    179,300.88x = 268,859.52 × 100,393.92
  4. Step 4: Simplify right side
    179,300.88x = 26,991,861,142.12
  5. Step 5: Solve for x
    x = 26,991,861,142.12/179,300.88
  6. Step 6: Final answer
    x = 150,539.48

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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.