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Finding the Fourth Proportional to 169,396.53, 254,099.92 and 43,036.80

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Solution

The fourth proportional to 169,396.53, 254,099.92 and 43,036.80 is: 64,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,396.53 : 254,099.92 = 43,036.80 : x
  2. Step 2: Convert to fraction form
    169,396.53/254,099.92 = 43,036.80/x
  3. Step 3: Cross multiply
    169,396.53x = 254,099.92 × 43,036.80
  4. Step 4: Simplify right side
    169,396.53x = 10,935,647,490.85
  5. Step 5: Solve for x
    x = 10,935,647,490.85/169,396.53
  6. Step 6: Final answer
    x = 64,556.50

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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.