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Finding the Fourth Proportional to 118,149.87, 177,153.41 and 47,083.44

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Solution

The fourth proportional to 118,149.87, 177,153.41 and 47,083.44 is: 70,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,149.87 : 177,153.41 = 47,083.44 : x
  2. Step 2: Convert to fraction form
    118,149.87/177,153.41 = 47,083.44/x
  3. Step 3: Cross multiply
    118,149.87x = 177,153.41 × 47,083.44
  4. Step 4: Simplify right side
    118,149.87x = 8,340,991,715.11
  5. Step 5: Solve for x
    x = 8,340,991,715.11/118,149.87
  6. Step 6: Final answer
    x = 70,596.71

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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.