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Finding the Fourth Proportional to 111,129.84, 166,700.13 and 36,249.84

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Solution

The fourth proportional to 111,129.84, 166,700.13 and 36,249.84 is: 54,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,129.84 : 166,700.13 = 36,249.84 : x
  2. Step 2: Convert to fraction form
    111,129.84/166,700.13 = 36,249.84/x
  3. Step 3: Cross multiply
    111,129.84x = 166,700.13 × 36,249.84
  4. Step 4: Simplify right side
    111,129.84x = 6,042,853,040.48
  5. Step 5: Solve for x
    x = 6,042,853,040.48/111,129.84
  6. Step 6: Final answer
    x = 54,376.51

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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.