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Finding the Fourth Proportional to 336,051.99, 504,067.86 and 136,367.55

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Solution

The fourth proportional to 336,051.99, 504,067.86 and 136,367.55 is: 204,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,051.99 : 504,067.86 = 136,367.55 : x
  2. Step 2: Convert to fraction form
    336,051.99/504,067.86 = 136,367.55/x
  3. Step 3: Cross multiply
    336,051.99x = 504,067.86 × 136,367.55
  4. Step 4: Simplify right side
    336,051.99x = 68,738,499,101.94
  5. Step 5: Solve for x
    x = 68,738,499,101.94/336,051.99
  6. Step 6: Final answer
    x = 204,547.22

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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.