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Finding the Fourth Proportional to 222,207, 333,310.50 and 55,995

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Solution

The fourth proportional to 222,207, 333,310.50 and 55,995 is: 83,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,207 : 333,310.50 = 55,995 : x
  2. Step 2: Convert to fraction form
    222,207/333,310.50 = 55,995/x
  3. Step 3: Cross multiply
    222,207x = 333,310.50 × 55,995
  4. Step 4: Simplify right side
    222,207x = 18,663,721,447.50
  5. Step 5: Solve for x
    x = 18,663,721,447.50/222,207
  6. Step 6: Final answer
    x = 83,992.50

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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.