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Finding the Fourth Proportional to 118,142.76, 177,183.90 and 35,017.32

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Solution

The fourth proportional to 118,142.76, 177,183.90 and 35,017.32 is: 52,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,142.76 : 177,183.90 = 35,017.32 : x
  2. Step 2: Convert to fraction form
    118,142.76/177,183.90 = 35,017.32/x
  3. Step 3: Cross multiply
    118,142.76x = 177,183.90 × 35,017.32
  4. Step 4: Simplify right side
    118,142.76x = 6,204,505,325.15
  5. Step 5: Solve for x
    x = 6,204,505,325.15/118,142.76
  6. Step 6: Final answer
    x = 52,517.02

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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.