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Finding the Fourth Proportional to 202,361.46, 303,575.04 and 76,011.54

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Solution

The fourth proportional to 202,361.46, 303,575.04 and 76,011.54 is: 114,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,361.46 : 303,575.04 = 76,011.54 : x
  2. Step 2: Convert to fraction form
    202,361.46/303,575.04 = 76,011.54/x
  3. Step 3: Cross multiply
    202,361.46x = 303,575.04 × 76,011.54
  4. Step 4: Simplify right side
    202,361.46x = 23,075,206,295.96
  5. Step 5: Solve for x
    x = 23,075,206,295.96/202,361.46
  6. Step 6: Final answer
    x = 114,029.65

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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.