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Finding the Fourth Proportional to 303,039.56, 454,561.64 and 134,514.57

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Solution

The fourth proportional to 303,039.56, 454,561.64 and 134,514.57 is: 201,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,039.56 : 454,561.64 = 134,514.57 : x
  2. Step 2: Convert to fraction form
    303,039.56/454,561.64 = 134,514.57/x
  3. Step 3: Cross multiply
    303,039.56x = 454,561.64 × 134,514.57
  4. Step 4: Simplify right side
    303,039.56x = 61,145,165,079.56
  5. Step 5: Solve for x
    x = 61,145,165,079.56/303,039.56
  6. Step 6: Final answer
    x = 201,772.88

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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.