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Finding the Fourth Proportional to 93,696.64, 140,544.24 and 31,366.48

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Solution

The fourth proportional to 93,696.64, 140,544.24 and 31,366.48 is: 47,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696.64 : 140,544.24 = 31,366.48 : x
  2. Step 2: Convert to fraction form
    93,696.64/140,544.24 = 31,366.48/x
  3. Step 3: Cross multiply
    93,696.64x = 140,544.24 × 31,366.48
  4. Step 4: Simplify right side
    93,696.64x = 4,408,378,093.08
  5. Step 5: Solve for x
    x = 4,408,378,093.08/93,696.64
  6. Step 6: Final answer
    x = 47,049.48

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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.