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Finding the Fourth Proportional to 197,560.92, 272,634.09 and 106,916.92

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Solution

The fourth proportional to 197,560.92, 272,634.09 and 106,916.92 is: 147,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,560.92 : 272,634.09 = 106,916.92 : x
  2. Step 2: Convert to fraction form
    197,560.92/272,634.09 = 106,916.92/x
  3. Step 3: Cross multiply
    197,560.92x = 272,634.09 × 106,916.92
  4. Step 4: Simplify right side
    197,560.92x = 29,149,197,189.80
  5. Step 5: Solve for x
    x = 29,149,197,189.80/197,560.92
  6. Step 6: Final answer
    x = 147,545.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.