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Finding the Fourth Proportional to 222,891.79, 334,336.53 and 54,413.01

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Solution

The fourth proportional to 222,891.79, 334,336.53 and 54,413.01 is: 81,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,891.79 : 334,336.53 = 54,413.01 : x
  2. Step 2: Convert to fraction form
    222,891.79/334,336.53 = 54,413.01/x
  3. Step 3: Cross multiply
    222,891.79x = 334,336.53 × 54,413.01
  4. Step 4: Simplify right side
    222,891.79x = 18,192,256,950.26
  5. Step 5: Solve for x
    x = 18,192,256,950.26/222,891.79
  6. Step 6: Final answer
    x = 81,619.23

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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.