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Finding the Fourth Proportional to 221,351.10, 331,983.45 and 73,607.10

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Solution

The fourth proportional to 221,351.10, 331,983.45 and 73,607.10 is: 110,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,351.10 : 331,983.45 = 73,607.10 : x
  2. Step 2: Convert to fraction form
    221,351.10/331,983.45 = 73,607.10/x
  3. Step 3: Cross multiply
    221,351.10x = 331,983.45 × 73,607.10
  4. Step 4: Simplify right side
    221,351.10x = 24,436,339,002.50
  5. Step 5: Solve for x
    x = 24,436,339,002.50/221,351.10
  6. Step 6: Final answer
    x = 110,396.28

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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.