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Finding the Fourth Proportional to 223,842.45, 335,788.28 and 74,028.17

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Solution

The fourth proportional to 223,842.45, 335,788.28 and 74,028.17 is: 111,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,842.45 : 335,788.28 = 74,028.17 : x
  2. Step 2: Convert to fraction form
    223,842.45/335,788.28 = 74,028.17/x
  3. Step 3: Cross multiply
    223,842.45x = 335,788.28 × 74,028.17
  4. Step 4: Simplify right side
    223,842.45x = 24,857,789,826.77
  5. Step 5: Solve for x
    x = 24,857,789,826.77/223,842.45
  6. Step 6: Final answer
    x = 111,050.38

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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.