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Finding the Fourth Proportional to 169,201.74, 253,926.72 and 136,318.86

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Solution

The fourth proportional to 169,201.74, 253,926.72 and 136,318.86 is: 204,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,201.74 : 253,926.72 = 136,318.86 : x
  2. Step 2: Convert to fraction form
    169,201.74/253,926.72 = 136,318.86/x
  3. Step 3: Cross multiply
    169,201.74x = 253,926.72 × 136,318.86
  4. Step 4: Simplify right side
    169,201.74x = 34,615,000,993.94
  5. Step 5: Solve for x
    x = 34,615,000,993.94/169,201.74
  6. Step 6: Final answer
    x = 204,578.28

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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.