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Finding the Fourth Proportional to 200,676.87, 301,061.39 and 67,553.58

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Solution

The fourth proportional to 200,676.87, 301,061.39 and 67,553.58 is: 101,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,676.87 : 301,061.39 = 67,553.58 : x
  2. Step 2: Convert to fraction form
    200,676.87/301,061.39 = 67,553.58/x
  3. Step 3: Cross multiply
    200,676.87x = 301,061.39 × 67,553.58
  4. Step 4: Simplify right side
    200,676.87x = 20,337,774,356.51
  5. Step 5: Solve for x
    x = 20,337,774,356.51/200,676.87
  6. Step 6: Final answer
    x = 101,345.88

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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.