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Finding the Fourth Proportional to 128,033.52, 191,793.04 and 63,797.92

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Solution

The fourth proportional to 128,033.52, 191,793.04 and 63,797.92 is: 95,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,033.52 : 191,793.04 = 63,797.92 : x
  2. Step 2: Convert to fraction form
    128,033.52/191,793.04 = 63,797.92/x
  3. Step 3: Cross multiply
    128,033.52x = 191,793.04 × 63,797.92
  4. Step 4: Simplify right side
    128,033.52x = 12,235,997,022.48
  5. Step 5: Solve for x
    x = 12,235,997,022.48/128,033.52
  6. Step 6: Final answer
    x = 95,568.70

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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.