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Finding the Fourth Proportional to 199,104.76, 274,764.45 and 109,680.76

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Solution

The fourth proportional to 199,104.76, 274,764.45 and 109,680.76 is: 151,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,104.76 : 274,764.45 = 109,680.76 : x
  2. Step 2: Convert to fraction form
    199,104.76/274,764.45 = 109,680.76/x
  3. Step 3: Cross multiply
    199,104.76x = 274,764.45 × 109,680.76
  4. Step 4: Simplify right side
    199,104.76x = 30,136,373,696.98
  5. Step 5: Solve for x
    x = 30,136,373,696.98/199,104.76
  6. Step 6: Final answer
    x = 151,359.38

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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.