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Finding the Fourth Proportional to 173,696.30, 260,556.60 and 73,845.17

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Solution

The fourth proportional to 173,696.30, 260,556.60 and 73,845.17 is: 110,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,696.30 : 260,556.60 = 73,845.17 : x
  2. Step 2: Convert to fraction form
    173,696.30/260,556.60 = 73,845.17/x
  3. Step 3: Cross multiply
    173,696.30x = 260,556.60 × 73,845.17
  4. Step 4: Simplify right side
    173,696.30x = 19,240,846,421.62
  5. Step 5: Solve for x
    x = 19,240,846,421.62/173,696.30
  6. Step 6: Final answer
    x = 110,772.92

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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.