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Finding the Fourth Proportional to 451,578.42, 677,367.72 and 136,035.36

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Solution

The fourth proportional to 451,578.42, 677,367.72 and 136,035.36 is: 204,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,578.42 : 677,367.72 = 136,035.36 : x
  2. Step 2: Convert to fraction form
    451,578.42/677,367.72 = 136,035.36/x
  3. Step 3: Cross multiply
    451,578.42x = 677,367.72 × 136,035.36
  4. Step 4: Simplify right side
    451,578.42x = 92,145,961,642.58
  5. Step 5: Solve for x
    x = 92,145,961,642.58/451,578.42
  6. Step 6: Final answer
    x = 204,053.07

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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.