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Finding the Fourth Proportional to 167,539.76, 251,270.64 and 49,179.28

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Solution

The fourth proportional to 167,539.76, 251,270.64 and 49,179.28 is: 73,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,539.76 : 251,270.64 = 49,179.28 : x
  2. Step 2: Convert to fraction form
    167,539.76/251,270.64 = 49,179.28/x
  3. Step 3: Cross multiply
    167,539.76x = 251,270.64 × 49,179.28
  4. Step 4: Simplify right side
    167,539.76x = 12,357,309,160.34
  5. Step 5: Solve for x
    x = 12,357,309,160.34/167,539.76
  6. Step 6: Final answer
    x = 73,757.47

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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.