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Finding the Fourth Proportional to 251,425.70, 376,889.42 and 118,067.22

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Solution

The fourth proportional to 251,425.70, 376,889.42 and 118,067.22 is: 176,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,425.70 : 376,889.42 = 118,067.22 : x
  2. Step 2: Convert to fraction form
    251,425.70/376,889.42 = 118,067.22/x
  3. Step 3: Cross multiply
    251,425.70x = 376,889.42 × 118,067.22
  4. Step 4: Simplify right side
    251,425.70x = 44,498,286,066.81
  5. Step 5: Solve for x
    x = 44,498,286,066.81/251,425.70
  6. Step 6: Final answer
    x = 176,983.84

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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.