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Finding the Fourth Proportional to 303,525.89, 418,869.12 and 167,559.91

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Solution

The fourth proportional to 303,525.89, 418,869.12 and 167,559.91 is: 231,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,525.89 : 418,869.12 = 167,559.91 : x
  2. Step 2: Convert to fraction form
    303,525.89/418,869.12 = 167,559.91/x
  3. Step 3: Cross multiply
    303,525.89x = 418,869.12 × 167,559.91
  4. Step 4: Simplify right side
    303,525.89x = 70,185,669,116.83
  5. Step 5: Solve for x
    x = 70,185,669,116.83/303,525.89
  6. Step 6: Final answer
    x = 231,234.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.