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Finding the Fourth Proportional to 114,199.62, 171,310.83 and 39,309.85

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Solution

The fourth proportional to 114,199.62, 171,310.83 and 39,309.85 is: 58,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,199.62 : 171,310.83 = 39,309.85 : x
  2. Step 2: Convert to fraction form
    114,199.62/171,310.83 = 39,309.85/x
  3. Step 3: Cross multiply
    114,199.62x = 171,310.83 × 39,309.85
  4. Step 4: Simplify right side
    114,199.62x = 6,734,203,030.68
  5. Step 5: Solve for x
    x = 6,734,203,030.68/114,199.62
  6. Step 6: Final answer
    x = 58,968.70

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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.