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Finding the Fourth Proportional to 223,477.89, 335,427.50 and 81,460.43

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Solution

The fourth proportional to 223,477.89, 335,427.50 and 81,460.43 is: 122,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,477.89 : 335,427.50 = 81,460.43 : x
  2. Step 2: Convert to fraction form
    223,477.89/335,427.50 = 81,460.43/x
  3. Step 3: Cross multiply
    223,477.89x = 335,427.50 × 81,460.43
  4. Step 4: Simplify right side
    223,477.89x = 27,324,068,383.83
  5. Step 5: Solve for x
    x = 27,324,068,383.83/223,477.89
  6. Step 6: Final answer
    x = 122,267.43

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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.