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Finding the Fourth Proportional to 222,721.26, 333,923.16 and 104,328

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Solution

The fourth proportional to 222,721.26, 333,923.16 and 104,328 is: 156,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,721.26 : 333,923.16 = 104,328 : x
  2. Step 2: Convert to fraction form
    222,721.26/333,923.16 = 104,328/x
  3. Step 3: Cross multiply
    222,721.26x = 333,923.16 × 104,328
  4. Step 4: Simplify right side
    222,721.26x = 34,837,535,436.48
  5. Step 5: Solve for x
    x = 34,837,535,436.48/222,721.26
  6. Step 6: Final answer
    x = 156,417.65

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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.