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Finding the Fourth Proportional to 111,249.63, 166,807.17 and 43,700.80

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Solution

The fourth proportional to 111,249.63, 166,807.17 and 43,700.80 is: 65,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,249.63 : 166,807.17 = 43,700.80 : x
  2. Step 2: Convert to fraction form
    111,249.63/166,807.17 = 43,700.80/x
  3. Step 3: Cross multiply
    111,249.63x = 166,807.17 × 43,700.80
  4. Step 4: Simplify right side
    111,249.63x = 7,289,606,774.74
  5. Step 5: Solve for x
    x = 7,289,606,774.74/111,249.63
  6. Step 6: Final answer
    x = 65,524.77

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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.