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Finding the Fourth Proportional to 169,491.56, 254,239.14 and 51,163.88

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Solution

The fourth proportional to 169,491.56, 254,239.14 and 51,163.88 is: 76,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,491.56 : 254,239.14 = 51,163.88 : x
  2. Step 2: Convert to fraction form
    169,491.56/254,239.14 = 51,163.88/x
  3. Step 3: Cross multiply
    169,491.56x = 254,239.14 × 51,163.88
  4. Step 4: Simplify right side
    169,491.56x = 13,007,860,850.26
  5. Step 5: Solve for x
    x = 13,007,860,850.26/169,491.56
  6. Step 6: Final answer
    x = 76,746.36

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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.