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Finding the Fourth Proportional to 447,636.70, 671,455.05 and 132,093.10

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Solution

The fourth proportional to 447,636.70, 671,455.05 and 132,093.10 is: 198,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,636.70 : 671,455.05 = 132,093.10 : x
  2. Step 2: Convert to fraction form
    447,636.70/671,455.05 = 132,093.10/x
  3. Step 3: Cross multiply
    447,636.70x = 671,455.05 × 132,093.10
  4. Step 4: Simplify right side
    447,636.70x = 88,694,579,065.16
  5. Step 5: Solve for x
    x = 88,694,579,065.16/447,636.70
  6. Step 6: Final answer
    x = 198,139.65

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Similar ratio
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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.