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Finding the Fourth Proportional to 244,696.20, 367,044.30 and 86,940.60

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Solution

The fourth proportional to 244,696.20, 367,044.30 and 86,940.60 is: 130,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,696.20 : 367,044.30 = 86,940.60 : x
  2. Step 2: Convert to fraction form
    244,696.20/367,044.30 = 86,940.60/x
  3. Step 3: Cross multiply
    244,696.20x = 367,044.30 × 86,940.60
  4. Step 4: Simplify right side
    244,696.20x = 31,911,051,668.58
  5. Step 5: Solve for x
    x = 31,911,051,668.58/244,696.20
  6. Step 6: Final answer
    x = 130,410.90

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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.