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Finding the Fourth Proportional to 263,361.92, 363,436.72 and 142,500.54

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Solution

The fourth proportional to 263,361.92, 363,436.72 and 142,500.54 is: 196,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,361.92 : 363,436.72 = 142,500.54 : x
  2. Step 2: Convert to fraction form
    263,361.92/363,436.72 = 142,500.54/x
  3. Step 3: Cross multiply
    263,361.92x = 363,436.72 × 142,500.54
  4. Step 4: Simplify right side
    263,361.92x = 51,789,928,855.83
  5. Step 5: Solve for x
    x = 51,789,928,855.83/263,361.92
  6. Step 6: Final answer
    x = 196,649.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.