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Finding the Fourth Proportional to 222,478.94, 333,690.59 and 72,706.70

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Solution

The fourth proportional to 222,478.94, 333,690.59 and 72,706.70 is: 109,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,478.94 : 333,690.59 = 72,706.70 : x
  2. Step 2: Convert to fraction form
    222,478.94/333,690.59 = 72,706.70/x
  3. Step 3: Cross multiply
    222,478.94x = 333,690.59 × 72,706.70
  4. Step 4: Simplify right side
    222,478.94x = 24,261,541,619.95
  5. Step 5: Solve for x
    x = 24,261,541,619.95/222,478.94
  6. Step 6: Final answer
    x = 109,050.96

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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.