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Finding the Fourth Proportional to 167,760.76, 251,655.08 and 72,994.20

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Solution

The fourth proportional to 167,760.76, 251,655.08 and 72,994.20 is: 109,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,760.76 : 251,655.08 = 72,994.20 : x
  2. Step 2: Convert to fraction form
    167,760.76/251,655.08 = 72,994.20/x
  3. Step 3: Cross multiply
    167,760.76x = 251,655.08 × 72,994.20
  4. Step 4: Simplify right side
    167,760.76x = 18,369,361,240.54
  5. Step 5: Solve for x
    x = 18,369,361,240.54/167,760.76
  6. Step 6: Final answer
    x = 109,497.37

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1.5x scale

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.