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Finding the Fourth Proportional to 202,348.90, 303,559.80 and 84,032.20

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Solution

The fourth proportional to 202,348.90, 303,559.80 and 84,032.20 is: 126,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,348.90 : 303,559.80 = 84,032.20 : x
  2. Step 2: Convert to fraction form
    202,348.90/303,559.80 = 84,032.20/x
  3. Step 3: Cross multiply
    202,348.90x = 303,559.80 × 84,032.20
  4. Step 4: Simplify right side
    202,348.90x = 25,508,797,825.56
  5. Step 5: Solve for x
    x = 25,508,797,825.56/202,348.90
  6. Step 6: Final answer
    x = 126,063.44

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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.