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Finding the Fourth Proportional to 259,082.98, 388,246.48 and 114,814.79

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Solution

The fourth proportional to 259,082.98, 388,246.48 and 114,814.79 is: 172,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,082.98 : 388,246.48 = 114,814.79 : x
  2. Step 2: Convert to fraction form
    259,082.98/388,246.48 = 114,814.79/x
  3. Step 3: Cross multiply
    259,082.98x = 388,246.48 × 114,814.79
  4. Step 4: Simplify right side
    259,082.98x = 44,576,438,069.44
  5. Step 5: Solve for x
    x = 44,576,438,069.44/259,082.98
  6. Step 6: Final answer
    x = 172,054.68

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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.