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Finding the Fourth Proportional to 247,782.85, 341,940.33 and 134,605.60

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Solution

The fourth proportional to 247,782.85, 341,940.33 and 134,605.60 is: 185,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,782.85 : 341,940.33 = 134,605.60 : x
  2. Step 2: Convert to fraction form
    247,782.85/341,940.33 = 134,605.60/x
  3. Step 3: Cross multiply
    247,782.85x = 341,940.33 × 134,605.60
  4. Step 4: Simplify right side
    247,782.85x = 46,027,082,429.00
  5. Step 5: Solve for x
    x = 46,027,082,429.00/247,782.85
  6. Step 6: Final answer
    x = 185,755.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.