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Finding the Fourth Proportional to 251,150.88, 346,607.64 and 143,754.60

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Solution

The fourth proportional to 251,150.88, 346,607.64 and 143,754.60 is: 198,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,150.88 : 346,607.64 = 143,754.60 : x
  2. Step 2: Convert to fraction form
    251,150.88/346,607.64 = 143,754.60/x
  3. Step 3: Cross multiply
    251,150.88x = 346,607.64 × 143,754.60
  4. Step 4: Simplify right side
    251,150.88x = 49,826,442,645.14
  5. Step 5: Solve for x
    x = 49,826,442,645.14/251,150.88
  6. Step 6: Final answer
    x = 198,392.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.