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Finding the Fourth Proportional to 202,577.32, 303,671.22 and 136,036

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Solution

The fourth proportional to 202,577.32, 303,671.22 and 136,036 is: 203,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,577.32 : 303,671.22 = 136,036 : x
  2. Step 2: Convert to fraction form
    202,577.32/303,671.22 = 136,036/x
  3. Step 3: Cross multiply
    202,577.32x = 303,671.22 × 136,036
  4. Step 4: Simplify right side
    202,577.32x = 41,310,218,083.92
  5. Step 5: Solve for x
    x = 41,310,218,083.92/202,577.32
  6. Step 6: Final answer
    x = 203,923.21

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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.