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Finding the Fourth Proportional to 99,336.60, 149,098.50 and 36,217.71

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Solution

The fourth proportional to 99,336.60, 149,098.50 and 36,217.71 is: 54,360.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,336.60 : 149,098.50 = 36,217.71 : x
  2. Step 2: Convert to fraction form
    99,336.60/149,098.50 = 36,217.71/x
  3. Step 3: Cross multiply
    99,336.60x = 149,098.50 × 36,217.71
  4. Step 4: Simplify right side
    99,336.60x = 5,400,006,234.44
  5. Step 5: Solve for x
    x = 5,400,006,234.44/99,336.60
  6. Step 6: Final answer
    x = 54,360.69

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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.