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Finding the Fourth Proportional to 200,717.90, 301,076.85 and 82,474.10

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Solution

The fourth proportional to 200,717.90, 301,076.85 and 82,474.10 is: 123,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,717.90 : 301,076.85 = 82,474.10 : x
  2. Step 2: Convert to fraction form
    200,717.90/301,076.85 = 82,474.10/x
  3. Step 3: Cross multiply
    200,717.90x = 301,076.85 × 82,474.10
  4. Step 4: Simplify right side
    200,717.90x = 24,831,042,234.59
  5. Step 5: Solve for x
    x = 24,831,042,234.59/200,717.90
  6. Step 6: Final answer
    x = 123,711.15

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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.