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Finding the Fourth Proportional to 335,524.68, 503,397.74 and 136,012.87

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Solution

The fourth proportional to 335,524.68, 503,397.74 and 136,012.87 is: 204,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,524.68 : 503,397.74 = 136,012.87 : x
  2. Step 2: Convert to fraction form
    335,524.68/503,397.74 = 136,012.87/x
  3. Step 3: Cross multiply
    335,524.68x = 503,397.74 × 136,012.87
  4. Step 4: Simplify right side
    335,524.68x = 68,468,571,573.12
  5. Step 5: Solve for x
    x = 68,468,571,573.12/335,524.68
  6. Step 6: Final answer
    x = 204,064.19

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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.