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Finding the Fourth Proportional to 169,712.69, 254,571.38 and 43,353.98

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Solution

The fourth proportional to 169,712.69, 254,571.38 and 43,353.98 is: 65,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,712.69 : 254,571.38 = 43,353.98 : x
  2. Step 2: Convert to fraction form
    169,712.69/254,571.38 = 43,353.98/x
  3. Step 3: Cross multiply
    169,712.69x = 254,571.38 × 43,353.98
  4. Step 4: Simplify right side
    169,712.69x = 11,036,682,517.09
  5. Step 5: Solve for x
    x = 11,036,682,517.09/169,712.69
  6. Step 6: Final answer
    x = 65,031.57

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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.