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Finding the Fourth Proportional to 201,493.72, 302,229.62 and 61,241.40

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Solution

The fourth proportional to 201,493.72, 302,229.62 and 61,241.40 is: 91,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,493.72 : 302,229.62 = 61,241.40 : x
  2. Step 2: Convert to fraction form
    201,493.72/302,229.62 = 61,241.40/x
  3. Step 3: Cross multiply
    201,493.72x = 302,229.62 × 61,241.40
  4. Step 4: Simplify right side
    201,493.72x = 18,508,965,050.27
  5. Step 5: Solve for x
    x = 18,508,965,050.27/201,493.72
  6. Step 6: Final answer
    x = 91,858.77

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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.