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Finding the Fourth Proportional to 173,491.80, 260,336.14 and 79,997.56

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Solution

The fourth proportional to 173,491.80, 260,336.14 and 79,997.56 is: 120,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,491.80 : 260,336.14 = 79,997.56 : x
  2. Step 2: Convert to fraction form
    173,491.80/260,336.14 = 79,997.56/x
  3. Step 3: Cross multiply
    173,491.80x = 260,336.14 × 79,997.56
  4. Step 4: Simplify right side
    173,491.80x = 20,826,255,979.82
  5. Step 5: Solve for x
    x = 20,826,255,979.82/173,491.80
  6. Step 6: Final answer
    x = 120,041.73

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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.