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Finding the Fourth Proportional to 104,797.80, 144,612.81 and 57,050.19

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Solution

The fourth proportional to 104,797.80, 144,612.81 and 57,050.19 is: 78,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,797.80 : 144,612.81 = 57,050.19 : x
  2. Step 2: Convert to fraction form
    104,797.80/144,612.81 = 57,050.19/x
  3. Step 3: Cross multiply
    104,797.80x = 144,612.81 × 57,050.19
  4. Step 4: Simplify right side
    104,797.80x = 8,250,188,286.93
  5. Step 5: Solve for x
    x = 8,250,188,286.93/104,797.80
  6. Step 6: Final answer
    x = 78,724.82

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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.