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Finding the Fourth Proportional to 252,555.46, 378,767.67 and 75,022.18

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Solution

The fourth proportional to 252,555.46, 378,767.67 and 75,022.18 is: 112,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,555.46 : 378,767.67 = 75,022.18 : x
  2. Step 2: Convert to fraction form
    252,555.46/378,767.67 = 75,022.18/x
  3. Step 3: Cross multiply
    252,555.46x = 378,767.67 × 75,022.18
  4. Step 4: Simplify right side
    252,555.46x = 28,415,976,316.92
  5. Step 5: Solve for x
    x = 28,415,976,316.92/252,555.46
  6. Step 6: Final answer
    x = 112,513.81

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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.