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Finding the Fourth Proportional to 201,493.17, 302,228.82 and 61,240.86

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Solution

The fourth proportional to 201,493.17, 302,228.82 and 61,240.86 is: 91,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,493.17 : 302,228.82 = 61,240.86 : x
  2. Step 2: Convert to fraction form
    201,493.17/302,228.82 = 61,240.86/x
  3. Step 3: Cross multiply
    201,493.17x = 302,228.82 × 61,240.86
  4. Step 4: Simplify right side
    201,493.17x = 18,508,752,700.48
  5. Step 5: Solve for x
    x = 18,508,752,700.48/201,493.17
  6. Step 6: Final answer
    x = 91,857.97

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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.