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Finding the Fourth Proportional to 118,099.62, 176,952.20 and 82,976.40

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Solution

The fourth proportional to 118,099.62, 176,952.20 and 82,976.40 is: 124,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099.62 : 176,952.20 = 82,976.40 : x
  2. Step 2: Convert to fraction form
    118,099.62/176,952.20 = 82,976.40/x
  3. Step 3: Cross multiply
    118,099.62x = 176,952.20 × 82,976.40
  4. Step 4: Simplify right side
    118,099.62x = 14,682,856,113.20
  5. Step 5: Solve for x
    x = 14,682,856,113.20/118,099.62
  6. Step 6: Final answer
    x = 124,326.02

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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.