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Finding the Fourth Proportional to 251,266.72, 346,754.64 and 138,092.44

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Solution

The fourth proportional to 251,266.72, 346,754.64 and 138,092.44 is: 190,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,266.72 : 346,754.64 = 138,092.44 : x
  2. Step 2: Convert to fraction form
    251,266.72/346,754.64 = 138,092.44/x
  3. Step 3: Cross multiply
    251,266.72x = 346,754.64 × 138,092.44
  4. Step 4: Simplify right side
    251,266.72x = 47,884,194,318.92
  5. Step 5: Solve for x
    x = 47,884,194,318.92/251,266.72
  6. Step 6: Final answer
    x = 190,571.18

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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.