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Finding the Fourth Proportional to 502,170.99, 753,257.69 and 123,093.42

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Solution

The fourth proportional to 502,170.99, 753,257.69 and 123,093.42 is: 184,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,170.99 : 753,257.69 = 123,093.42 : x
  2. Step 2: Convert to fraction form
    502,170.99/753,257.69 = 123,093.42/x
  3. Step 3: Cross multiply
    502,170.99x = 753,257.69 × 123,093.42
  4. Step 4: Simplify right side
    502,170.99x = 92,721,065,203.40
  5. Step 5: Solve for x
    x = 92,721,065,203.40/502,170.99
  6. Step 6: Final answer
    x = 184,640.43

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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.