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Finding the Fourth Proportional to 202,535.04, 303,826.80 and 84,286.32

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Solution

The fourth proportional to 202,535.04, 303,826.80 and 84,286.32 is: 126,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,535.04 : 303,826.80 = 84,286.32 : x
  2. Step 2: Convert to fraction form
    202,535.04/303,826.80 = 84,286.32/x
  3. Step 3: Cross multiply
    202,535.04x = 303,826.80 × 84,286.32
  4. Step 4: Simplify right side
    202,535.04x = 25,608,442,889.38
  5. Step 5: Solve for x
    x = 25,608,442,889.38/202,535.04
  6. Step 6: Final answer
    x = 126,439.57

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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.