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Finding the Fourth Proportional to 72,266.94, 108,360.63 and 22,333.29

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Solution

The fourth proportional to 72,266.94, 108,360.63 and 22,333.29 is: 33,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,266.94 : 108,360.63 = 22,333.29 : x
  2. Step 2: Convert to fraction form
    72,266.94/108,360.63 = 22,333.29/x
  3. Step 3: Cross multiply
    72,266.94x = 108,360.63 × 22,333.29
  4. Step 4: Simplify right side
    72,266.94x = 2,420,049,374.37
  5. Step 5: Solve for x
    x = 2,420,049,374.37/72,266.94
  6. Step 6: Final answer
    x = 33,487.64

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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.