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Finding the Fourth Proportional to 251,584.52, 347,193.15 and 136,870.31

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Solution

The fourth proportional to 251,584.52, 347,193.15 and 136,870.31 is: 188,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,584.52 : 347,193.15 = 136,870.31 : x
  2. Step 2: Convert to fraction form
    251,584.52/347,193.15 = 136,870.31/x
  3. Step 3: Cross multiply
    251,584.52x = 347,193.15 × 136,870.31
  4. Step 4: Simplify right side
    251,584.52x = 47,520,434,070.38
  5. Step 5: Solve for x
    x = 47,520,434,070.38/251,584.52
  6. Step 6: Final answer
    x = 188,884.57

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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.