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Finding the Fourth Proportional to 147,367.57, 203,367.25 and 80,299.57

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Solution

The fourth proportional to 147,367.57, 203,367.25 and 80,299.57 is: 110,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,367.57 : 203,367.25 = 80,299.57 : x
  2. Step 2: Convert to fraction form
    147,367.57/203,367.25 = 80,299.57/x
  3. Step 3: Cross multiply
    147,367.57x = 203,367.25 × 80,299.57
  4. Step 4: Simplify right side
    147,367.57x = 16,330,302,727.08
  5. Step 5: Solve for x
    x = 16,330,302,727.08/147,367.57
  6. Step 6: Final answer
    x = 110,813.41

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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.