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Finding the Fourth Proportional to 169,296.45, 253,946.84 and 116,691.81

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Solution

The fourth proportional to 169,296.45, 253,946.84 and 116,691.81 is: 175,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,296.45 : 253,946.84 = 116,691.81 : x
  2. Step 2: Convert to fraction form
    169,296.45/253,946.84 = 116,691.81/x
  3. Step 3: Cross multiply
    169,296.45x = 253,946.84 × 116,691.81
  4. Step 4: Simplify right side
    169,296.45x = 29,633,515,819.92
  5. Step 5: Solve for x
    x = 29,633,515,819.92/169,296.45
  6. Step 6: Final answer
    x = 175,039.20

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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.