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Finding the Fourth Proportional to 264,879.40, 397,537.80 and 122,943.10

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Solution

The fourth proportional to 264,879.40, 397,537.80 and 122,943.10 is: 184,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,879.40 : 397,537.80 = 122,943.10 : x
  2. Step 2: Convert to fraction form
    264,879.40/397,537.80 = 122,943.10/x
  3. Step 3: Cross multiply
    264,879.40x = 397,537.80 × 122,943.10
  4. Step 4: Simplify right side
    264,879.40x = 48,874,529,499.18
  5. Step 5: Solve for x
    x = 48,874,529,499.18/264,879.40
  6. Step 6: Final answer
    x = 184,516.16

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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.