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Finding the Fourth Proportional to 201,783.38, 276,444.49 and 194,216.36

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Solution

The fourth proportional to 201,783.38, 276,444.49 and 194,216.36 is: 266,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,783.38 : 276,444.49 = 194,216.36 : x
  2. Step 2: Convert to fraction form
    201,783.38/276,444.49 = 194,216.36/x
  3. Step 3: Cross multiply
    201,783.38x = 276,444.49 × 194,216.36
  4. Step 4: Simplify right side
    201,783.38x = 53,690,042,589.86
  5. Step 5: Solve for x
    x = 53,690,042,589.86/201,783.38
  6. Step 6: Final answer
    x = 266,077.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.