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Finding the Fourth Proportional to 336,542.56, 504,818.24 and 111,903

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Solution

The fourth proportional to 336,542.56, 504,818.24 and 111,903 is: 167,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,542.56 : 504,818.24 = 111,903 : x
  2. Step 2: Convert to fraction form
    336,542.56/504,818.24 = 111,903/x
  3. Step 3: Cross multiply
    336,542.56x = 504,818.24 × 111,903
  4. Step 4: Simplify right side
    336,542.56x = 56,490,675,510.72
  5. Step 5: Solve for x
    x = 56,490,675,510.72/336,542.56
  6. Step 6: Final answer
    x = 167,855.96

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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.