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Finding the Fourth Proportional to 255,791.16, 383,358.38 and 122,471.64

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Solution

The fourth proportional to 255,791.16, 383,358.38 and 122,471.64 is: 183,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,791.16 : 383,358.38 = 122,471.64 : x
  2. Step 2: Convert to fraction form
    255,791.16/383,358.38 = 122,471.64/x
  3. Step 3: Cross multiply
    255,791.16x = 383,358.38 × 122,471.64
  4. Step 4: Simplify right side
    255,791.16x = 46,950,528,893.99
  5. Step 5: Solve for x
    x = 46,950,528,893.99/255,791.16
  6. Step 6: Final answer
    x = 183,550.24

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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.