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Finding the Fourth Proportional to 173,203.26, 238,932.44 and 105,202.14

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Solution

The fourth proportional to 173,203.26, 238,932.44 and 105,202.14 is: 145,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,203.26 : 238,932.44 = 105,202.14 : x
  2. Step 2: Convert to fraction form
    173,203.26/238,932.44 = 105,202.14/x
  3. Step 3: Cross multiply
    173,203.26x = 238,932.44 × 105,202.14
  4. Step 4: Simplify right side
    173,203.26x = 25,136,204,003.42
  5. Step 5: Solve for x
    x = 25,136,204,003.42/173,203.26
  6. Step 6: Final answer
    x = 145,125.47

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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.