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Finding the Fourth Proportional to 206,163.02, 309,262.97 and 56,404.10

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Solution

The fourth proportional to 206,163.02, 309,262.97 and 56,404.10 is: 84,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,163.02 : 309,262.97 = 56,404.10 : x
  2. Step 2: Convert to fraction form
    206,163.02/309,262.97 = 56,404.10/x
  3. Step 3: Cross multiply
    206,163.02x = 309,262.97 × 56,404.10
  4. Step 4: Simplify right side
    206,163.02x = 17,443,700,400.34
  5. Step 5: Solve for x
    x = 17,443,700,400.34/206,163.02
  6. Step 6: Final answer
    x = 84,611.20

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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.