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Finding the Fourth Proportional to 222,466.72, 333,664.68 and 72,705.76

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Solution

The fourth proportional to 222,466.72, 333,664.68 and 72,705.76 is: 109,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.72 : 333,664.68 = 72,705.76 : x
  2. Step 2: Convert to fraction form
    222,466.72/333,664.68 = 72,705.76/x
  3. Step 3: Cross multiply
    222,466.72x = 333,664.68 × 72,705.76
  4. Step 4: Simplify right side
    222,466.72x = 24,259,344,144.56
  5. Step 5: Solve for x
    x = 24,259,344,144.56/222,466.72
  6. Step 6: Final answer
    x = 109,047.07

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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.