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Finding the Fourth Proportional to 255,863.99, 383,606.44 and 122,617.37

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Solution

The fourth proportional to 255,863.99, 383,606.44 and 122,617.37 is: 183,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,863.99 : 383,606.44 = 122,617.37 : x
  2. Step 2: Convert to fraction form
    255,863.99/383,606.44 = 122,617.37/x
  3. Step 3: Cross multiply
    255,863.99x = 383,606.44 × 122,617.37
  4. Step 4: Simplify right side
    255,863.99x = 47,036,810,563.29
  5. Step 5: Solve for x
    x = 47,036,810,563.29/255,863.99
  6. Step 6: Final answer
    x = 183,835.21

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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.