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Finding the Fourth Proportional to 222,718.75, 333,919.41 and 104,325.51

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Solution

The fourth proportional to 222,718.75, 333,919.41 and 104,325.51 is: 156,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718.75 : 333,919.41 = 104,325.51 : x
  2. Step 2: Convert to fraction form
    222,718.75/333,919.41 = 104,325.51/x
  3. Step 3: Cross multiply
    222,718.75x = 333,919.41 × 104,325.51
  4. Step 4: Simplify right side
    222,718.75x = 34,836,312,747.15
  5. Step 5: Solve for x
    x = 34,836,312,747.15/222,718.75
  6. Step 6: Final answer
    x = 156,413.92

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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.