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Finding the Fourth Proportional to 222,372.06, 333,620.40 and 89,345.70

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Solution

The fourth proportional to 222,372.06, 333,620.40 and 89,345.70 is: 134,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,372.06 : 333,620.40 = 89,345.70 : x
  2. Step 2: Convert to fraction form
    222,372.06/333,620.40 = 89,345.70/x
  3. Step 3: Cross multiply
    222,372.06x = 333,620.40 × 89,345.70
  4. Step 4: Simplify right side
    222,372.06x = 29,807,548,172.28
  5. Step 5: Solve for x
    x = 29,807,548,172.28/222,372.06
  6. Step 6: Final answer
    x = 134,043.59

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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.