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Finding the Fourth Proportional to 251,675.73, 347,308.02 and 136,950.48

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Solution

The fourth proportional to 251,675.73, 347,308.02 and 136,950.48 is: 188,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,675.73 : 347,308.02 = 136,950.48 : x
  2. Step 2: Convert to fraction form
    251,675.73/347,308.02 = 136,950.48/x
  3. Step 3: Cross multiply
    251,675.73x = 347,308.02 × 136,950.48
  4. Step 4: Simplify right side
    251,675.73x = 47,564,000,046.85
  5. Step 5: Solve for x
    x = 47,564,000,046.85/251,675.73
  6. Step 6: Final answer
    x = 188,989.22

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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.