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Finding the Fourth Proportional to 201,508.00, 302,251.05 and 61,255.69

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Solution

The fourth proportional to 201,508.00, 302,251.05 and 61,255.69 is: 91,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,508.00 : 302,251.05 = 61,255.69 : x
  2. Step 2: Convert to fraction form
    201,508.00/302,251.05 = 61,255.69/x
  3. Step 3: Cross multiply
    201,508.00x = 302,251.05 × 61,255.69
  4. Step 4: Simplify right side
    201,508.00x = 18,514,595,865.35
  5. Step 5: Solve for x
    x = 18,514,595,865.35/201,508.00
  6. Step 6: Final answer
    x = 91,880.20

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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.