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Finding the Fourth Proportional to 129,504.81, 194,268.22 and 36,010.56

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Solution

The fourth proportional to 129,504.81, 194,268.22 and 36,010.56 is: 54,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504.81 : 194,268.22 = 36,010.56 : x
  2. Step 2: Convert to fraction form
    129,504.81/194,268.22 = 36,010.56/x
  3. Step 3: Cross multiply
    129,504.81x = 194,268.22 × 36,010.56
  4. Step 4: Simplify right side
    129,504.81x = 6,995,707,392.40
  5. Step 5: Solve for x
    x = 6,995,707,392.40/129,504.81
  6. Step 6: Final answer
    x = 54,018.90

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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.