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Finding the Fourth Proportional to 132,896.70, 199,383.45 and 39,404.70

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Solution

The fourth proportional to 132,896.70, 199,383.45 and 39,404.70 is: 59,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,896.70 : 199,383.45 = 39,404.70 : x
  2. Step 2: Convert to fraction form
    132,896.70/199,383.45 = 39,404.70/x
  3. Step 3: Cross multiply
    132,896.70x = 199,383.45 × 39,404.70
  4. Step 4: Simplify right side
    132,896.70x = 7,856,645,032.22
  5. Step 5: Solve for x
    x = 7,856,645,032.22/132,896.70
  6. Step 6: Final answer
    x = 59,118.44

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1.5x scale

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.