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Finding the Fourth Proportional to 222,040.73, 333,065.21 and 72,280.50

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Solution

The fourth proportional to 222,040.73, 333,065.21 and 72,280.50 is: 108,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,040.73 : 333,065.21 = 72,280.50 : x
  2. Step 2: Convert to fraction form
    222,040.73/333,065.21 = 72,280.50/x
  3. Step 3: Cross multiply
    222,040.73x = 333,065.21 × 72,280.50
  4. Step 4: Simplify right side
    222,040.73x = 24,074,119,550.00
  5. Step 5: Solve for x
    x = 24,074,119,550.00/222,040.73
  6. Step 6: Final answer
    x = 108,422.09

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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.