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Finding the Fourth Proportional to 251,808, 377,712.24 and 104,067.84

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Solution

The fourth proportional to 251,808, 377,712.24 and 104,067.84 is: 156,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,808 : 377,712.24 = 104,067.84 : x
  2. Step 2: Convert to fraction form
    251,808/377,712.24 = 104,067.84/x
  3. Step 3: Cross multiply
    251,808x = 377,712.24 × 104,067.84
  4. Step 4: Simplify right side
    251,808x = 39,307,696,958.36
  5. Step 5: Solve for x
    x = 39,307,696,958.36/251,808
  6. Step 6: Final answer
    x = 156,101.86

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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.