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Finding the Fourth Proportional to 220,982, 331,473.04 and 73,238

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Solution

The fourth proportional to 220,982, 331,473.04 and 73,238 is: 109,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,982 : 331,473.04 = 73,238 : x
  2. Step 2: Convert to fraction form
    220,982/331,473.04 = 73,238/x
  3. Step 3: Cross multiply
    220,982x = 331,473.04 × 73,238
  4. Step 4: Simplify right side
    220,982x = 24,276,422,503.52
  5. Step 5: Solve for x
    x = 24,276,422,503.52/220,982
  6. Step 6: Final answer
    x = 109,857.01

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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.