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Finding the Fourth Proportional to 222,423.60, 333,667.80 and 72,670.80

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Solution

The fourth proportional to 222,423.60, 333,667.80 and 72,670.80 is: 109,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,423.60 : 333,667.80 = 72,670.80 : x
  2. Step 2: Convert to fraction form
    222,423.60/333,667.80 = 72,670.80/x
  3. Step 3: Cross multiply
    222,423.60x = 333,667.80 × 72,670.80
  4. Step 4: Simplify right side
    222,423.60x = 24,247,905,960.24
  5. Step 5: Solve for x
    x = 24,247,905,960.24/222,423.60
  6. Step 6: Final answer
    x = 109,016.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.