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Finding the Fourth Proportional to 202,279.90, 303,419.85 and 162,913.90

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Solution

The fourth proportional to 202,279.90, 303,419.85 and 162,913.90 is: 244,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.90 : 303,419.85 = 162,913.90 : x
  2. Step 2: Convert to fraction form
    202,279.90/303,419.85 = 162,913.90/x
  3. Step 3: Cross multiply
    202,279.90x = 303,419.85 × 162,913.90
  4. Step 4: Simplify right side
    202,279.90x = 49,431,311,100.92
  5. Step 5: Solve for x
    x = 49,431,311,100.92/202,279.90
  6. Step 6: Final answer
    x = 244,370.85

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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.