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Finding the Fourth Proportional to 223,311.79, 335,013.86 and 73,561.22

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Solution

The fourth proportional to 223,311.79, 335,013.86 and 73,561.22 is: 110,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,311.79 : 335,013.86 = 73,561.22 : x
  2. Step 2: Convert to fraction form
    223,311.79/335,013.86 = 73,561.22/x
  3. Step 3: Cross multiply
    223,311.79x = 335,013.86 × 73,561.22
  4. Step 4: Simplify right side
    223,311.79x = 24,644,028,258.51
  5. Step 5: Solve for x
    x = 24,644,028,258.51/223,311.79
  6. Step 6: Final answer
    x = 110,357.04

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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.