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Finding the Fourth Proportional to 222,703.60, 334,055.40 and 185,305.90

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Solution

The fourth proportional to 222,703.60, 334,055.40 and 185,305.90 is: 277,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,703.60 : 334,055.40 = 185,305.90 : x
  2. Step 2: Convert to fraction form
    222,703.60/334,055.40 = 185,305.90/x
  3. Step 3: Cross multiply
    222,703.60x = 334,055.40 × 185,305.90
  4. Step 4: Simplify right side
    222,703.60x = 61,902,436,546.86
  5. Step 5: Solve for x
    x = 61,902,436,546.86/222,703.60
  6. Step 6: Final answer
    x = 277,958.85

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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.