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Finding the Fourth Proportional to 222,696.60, 333,614.17 and 138,490.41

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Solution

The fourth proportional to 222,696.60, 333,614.17 and 138,490.41 is: 207,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,696.60 : 333,614.17 = 138,490.41 : x
  2. Step 2: Convert to fraction form
    222,696.60/333,614.17 = 138,490.41/x
  3. Step 3: Cross multiply
    222,696.60x = 333,614.17 × 138,490.41
  4. Step 4: Simplify right side
    222,696.60x = 46,202,363,185.11
  5. Step 5: Solve for x
    x = 46,202,363,185.11/222,696.60
  6. Step 6: Final answer
    x = 207,467.75

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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.