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Finding the Fourth Proportional to 271,268.52, 406,924.89 and 136,263.12

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Solution

The fourth proportional to 271,268.52, 406,924.89 and 136,263.12 is: 204,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,268.52 : 406,924.89 = 136,263.12 : x
  2. Step 2: Convert to fraction form
    271,268.52/406,924.89 = 136,263.12/x
  3. Step 3: Cross multiply
    271,268.52x = 406,924.89 × 136,263.12
  4. Step 4: Simplify right side
    271,268.52x = 55,448,855,117.06
  5. Step 5: Solve for x
    x = 55,448,855,117.06/271,268.52
  6. Step 6: Final answer
    x = 204,405.79

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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.