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Finding the Fourth Proportional to 238,009.65, 356,180.22 and 170,615.88

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Solution

The fourth proportional to 238,009.65, 356,180.22 and 170,615.88 is: 255,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,009.65 : 356,180.22 = 170,615.88 : x
  2. Step 2: Convert to fraction form
    238,009.65/356,180.22 = 170,615.88/x
  3. Step 3: Cross multiply
    238,009.65x = 356,180.22 × 170,615.88
  4. Step 4: Simplify right side
    238,009.65x = 60,770,001,673.89
  5. Step 5: Solve for x
    x = 60,770,001,673.89/238,009.65
  6. Step 6: Final answer
    x = 255,325.79

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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.