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Finding the Fourth Proportional to 200,553.17, 300,832.18 and 67,432.91

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Solution

The fourth proportional to 200,553.17, 300,832.18 and 67,432.91 is: 101,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,553.17 : 300,832.18 = 67,432.91 : x
  2. Step 2: Convert to fraction form
    200,553.17/300,832.18 = 67,432.91/x
  3. Step 3: Cross multiply
    200,553.17x = 300,832.18 × 67,432.91
  4. Step 4: Simplify right side
    200,553.17x = 20,285,987,646.30
  5. Step 5: Solve for x
    x = 20,285,987,646.30/200,553.17
  6. Step 6: Final answer
    x = 101,150.17

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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.