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Finding the Fourth Proportional to 202,003.70, 303,005.55 and 192,818.30

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Solution

The fourth proportional to 202,003.70, 303,005.55 and 192,818.30 is: 289,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,003.70 : 303,005.55 = 192,818.30 : x
  2. Step 2: Convert to fraction form
    202,003.70/303,005.55 = 192,818.30/x
  3. Step 3: Cross multiply
    202,003.70x = 303,005.55 × 192,818.30
  4. Step 4: Simplify right side
    202,003.70x = 58,425,015,041.57
  5. Step 5: Solve for x
    x = 58,425,015,041.57/202,003.70
  6. Step 6: Final answer
    x = 289,227.45

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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.