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Finding the Fourth Proportional to 201,228.57, 301,886.42 and 60,997.77

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Solution

The fourth proportional to 201,228.57, 301,886.42 and 60,997.77 is: 91,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,228.57 : 301,886.42 = 60,997.77 : x
  2. Step 2: Convert to fraction form
    201,228.57/301,886.42 = 60,997.77/x
  3. Step 3: Cross multiply
    201,228.57x = 301,886.42 × 60,997.77
  4. Step 4: Simplify right side
    201,228.57x = 18,414,398,108.29
  5. Step 5: Solve for x
    x = 18,414,398,108.29/201,228.57
  6. Step 6: Final answer
    x = 91,509.86

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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.