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Finding the Fourth Proportional to 336,067.78, 504,175.48 and 99,392.01

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Solution

The fourth proportional to 336,067.78, 504,175.48 and 99,392.01 is: 149,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,067.78 : 504,175.48 = 99,392.01 : x
  2. Step 2: Convert to fraction form
    336,067.78/504,175.48 = 99,392.01/x
  3. Step 3: Cross multiply
    336,067.78x = 504,175.48 × 99,392.01
  4. Step 4: Simplify right side
    336,067.78x = 50,111,013,337.96
  5. Step 5: Solve for x
    x = 50,111,013,337.96/336,067.78
  6. Step 6: Final answer
    x = 149,109.84

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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.