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Finding the Fourth Proportional to 202,202.20, 303,552.90 and 127,322.20

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Solution

The fourth proportional to 202,202.20, 303,552.90 and 127,322.20 is: 191,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.20 : 303,552.90 = 127,322.20 : x
  2. Step 2: Convert to fraction form
    202,202.20/303,552.90 = 127,322.20/x
  3. Step 3: Cross multiply
    202,202.20x = 303,552.90 × 127,322.20
  4. Step 4: Simplify right side
    202,202.20x = 38,649,023,044.38
  5. Step 5: Solve for x
    x = 38,649,023,044.38/202,202.20
  6. Step 6: Final answer
    x = 191,140.47

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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.