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Finding the Fourth Proportional to 201,493.23, 302,228.91 and 61,240.92

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Solution

The fourth proportional to 201,493.23, 302,228.91 and 61,240.92 is: 91,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,493.23 : 302,228.91 = 61,240.92 : x
  2. Step 2: Convert to fraction form
    201,493.23/302,228.91 = 61,240.92/x
  3. Step 3: Cross multiply
    201,493.23x = 302,228.91 × 61,240.92
  4. Step 4: Simplify right side
    201,493.23x = 18,508,777,632.36
  5. Step 5: Solve for x
    x = 18,508,777,632.36/201,493.23
  6. Step 6: Final answer
    x = 91,858.06

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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.