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Finding the Fourth Proportional to 180,700.25, 270,997.66 and 60,743.64

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Solution

The fourth proportional to 180,700.25, 270,997.66 and 60,743.64 is: 91,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,700.25 : 270,997.66 = 60,743.64 : x
  2. Step 2: Convert to fraction form
    180,700.25/270,997.66 = 60,743.64/x
  3. Step 3: Cross multiply
    180,700.25x = 270,997.66 × 60,743.64
  4. Step 4: Simplify right side
    180,700.25x = 16,461,384,524.75
  5. Step 5: Solve for x
    x = 16,461,384,524.75/180,700.25
  6. Step 6: Final answer
    x = 91,097.74

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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.