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Finding the Fourth Proportional to 202,382.70, 302,796.45 and 132,398.70

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Solution

The fourth proportional to 202,382.70, 302,796.45 and 132,398.70 is: 198,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,382.70 : 302,796.45 = 132,398.70 : x
  2. Step 2: Convert to fraction form
    202,382.70/302,796.45 = 132,398.70/x
  3. Step 3: Cross multiply
    202,382.70x = 302,796.45 × 132,398.70
  4. Step 4: Simplify right side
    202,382.70x = 40,089,856,344.62
  5. Step 5: Solve for x
    x = 40,089,856,344.62/202,382.70
  6. Step 6: Final answer
    x = 198,089.34

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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.