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Finding the Fourth Proportional to 222,461.60, 333,724.92 and 64,669.56

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Solution

The fourth proportional to 222,461.60, 333,724.92 and 64,669.56 is: 97,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,461.60 : 333,724.92 = 64,669.56 : x
  2. Step 2: Convert to fraction form
    222,461.60/333,724.92 = 64,669.56/x
  3. Step 3: Cross multiply
    222,461.60x = 333,724.92 × 64,669.56
  4. Step 4: Simplify right side
    222,461.60x = 21,581,843,737.44
  5. Step 5: Solve for x
    x = 21,581,843,737.44/222,461.60
  6. Step 6: Final answer
    x = 97,013.79

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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.