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Finding the Fourth Proportional to 269,157.55, 403,795.44 and 79,603.14

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Solution

The fourth proportional to 269,157.55, 403,795.44 and 79,603.14 is: 119,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,157.55 : 403,795.44 = 79,603.14 : x
  2. Step 2: Convert to fraction form
    269,157.55/403,795.44 = 79,603.14/x
  3. Step 3: Cross multiply
    269,157.55x = 403,795.44 × 79,603.14
  4. Step 4: Simplify right side
    269,157.55x = 32,143,383,797.93
  5. Step 5: Solve for x
    x = 32,143,383,797.93/269,157.55
  6. Step 6: Final answer
    x = 119,422.19

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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.