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Finding the Fourth Proportional to 173,709.28, 260,214.48 and 131,661.28

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Solution

The fourth proportional to 173,709.28, 260,214.48 and 131,661.28 is: 197,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,709.28 : 260,214.48 = 131,661.28 : x
  2. Step 2: Convert to fraction form
    173,709.28/260,214.48 = 131,661.28/x
  3. Step 3: Cross multiply
    173,709.28x = 260,214.48 × 131,661.28
  4. Step 4: Simplify right side
    173,709.28x = 34,260,171,511.33
  5. Step 5: Solve for x
    x = 34,260,171,511.33/173,709.28
  6. Step 6: Final answer
    x = 197,227.07

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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.