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Finding the Fourth Proportional to 222,208, 333,346.76 and 72,413.52

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Solution

The fourth proportional to 222,208, 333,346.76 and 72,413.52 is: 108,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,208 : 333,346.76 = 72,413.52 : x
  2. Step 2: Convert to fraction form
    222,208/333,346.76 = 72,413.52/x
  3. Step 3: Cross multiply
    222,208x = 333,346.76 × 72,413.52
  4. Step 4: Simplify right side
    222,208x = 24,138,812,272.20
  5. Step 5: Solve for x
    x = 24,138,812,272.20/222,208
  6. Step 6: Final answer
    x = 108,631.61

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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.