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Finding the Fourth Proportional to 222,171.29, 333,291.61 and 72,376.77

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Solution

The fourth proportional to 222,171.29, 333,291.61 and 72,376.77 is: 108,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,171.29 : 333,291.61 = 72,376.77 : x
  2. Step 2: Convert to fraction form
    222,171.29/333,291.61 = 72,376.77/x
  3. Step 3: Cross multiply
    222,171.29x = 333,291.61 × 72,376.77
  4. Step 4: Simplify right side
    222,171.29x = 24,122,571,540.21
  5. Step 5: Solve for x
    x = 24,122,571,540.21/222,171.29
  6. Step 6: Final answer
    x = 108,576.46

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1.5x scale

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.