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Finding the Fourth Proportional to 202,200.70, 303,422.55 and 83,859.70

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Solution

The fourth proportional to 202,200.70, 303,422.55 and 83,859.70 is: 125,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,200.70 : 303,422.55 = 83,859.70 : x
  2. Step 2: Convert to fraction form
    202,200.70/303,422.55 = 83,859.70/x
  3. Step 3: Cross multiply
    202,200.70x = 303,422.55 × 83,859.70
  4. Step 4: Simplify right side
    202,200.70x = 25,444,924,016.24
  5. Step 5: Solve for x
    x = 25,444,924,016.24/202,200.70
  6. Step 6: Final answer
    x = 125,839.94

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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.