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Finding the Fourth Proportional to 268,510.56, 370,686.96 and 167,940.96

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Solution

The fourth proportional to 268,510.56, 370,686.96 and 167,940.96 is: 231,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,510.56 : 370,686.96 = 167,940.96 : x
  2. Step 2: Convert to fraction form
    268,510.56/370,686.96 = 167,940.96/x
  3. Step 3: Cross multiply
    268,510.56x = 370,686.96 × 167,940.96
  4. Step 4: Simplify right side
    268,510.56x = 62,253,523,921.88
  5. Step 5: Solve for x
    x = 62,253,523,921.88/268,510.56
  6. Step 6: Final answer
    x = 231,847.58

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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.