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Finding the Fourth Proportional to 238,351.31, 357,353.62 and 111,926.41

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Solution

The fourth proportional to 238,351.31, 357,353.62 and 111,926.41 is: 167,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,351.31 : 357,353.62 = 111,926.41 : x
  2. Step 2: Convert to fraction form
    238,351.31/357,353.62 = 111,926.41/x
  3. Step 3: Cross multiply
    238,351.31x = 357,353.62 × 111,926.41
  4. Step 4: Simplify right side
    238,351.31x = 39,997,305,440.70
  5. Step 5: Solve for x
    x = 39,997,305,440.70/238,351.31
  6. Step 6: Final answer
    x = 167,808.21

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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.