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Finding the Fourth Proportional to 200,736.30, 301,104.99 and 67,710

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Solution

The fourth proportional to 200,736.30, 301,104.99 and 67,710 is: 101,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,736.30 : 301,104.99 = 67,710 : x
  2. Step 2: Convert to fraction form
    200,736.30/301,104.99 = 67,710/x
  3. Step 3: Cross multiply
    200,736.30x = 301,104.99 × 67,710
  4. Step 4: Simplify right side
    200,736.30x = 20,387,818,872.90
  5. Step 5: Solve for x
    x = 20,387,818,872.90/200,736.30
  6. Step 6: Final answer
    x = 101,565.18

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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.