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Finding the Fourth Proportional to 223,674.18, 335,534.57 and 71,832.89

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Solution

The fourth proportional to 223,674.18, 335,534.57 and 71,832.89 is: 107,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,674.18 : 335,534.57 = 71,832.89 : x
  2. Step 2: Convert to fraction form
    223,674.18/335,534.57 = 71,832.89/x
  3. Step 3: Cross multiply
    223,674.18x = 335,534.57 × 71,832.89
  4. Step 4: Simplify right side
    223,674.18x = 24,102,418,607.05
  5. Step 5: Solve for x
    x = 24,102,418,607.05/223,674.18
  6. Step 6: Final answer
    x = 107,756.82

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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.