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Finding the Fourth Proportional to 68,798.37, 94,945.59 and 51,771.99

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Solution

The fourth proportional to 68,798.37, 94,945.59 and 51,771.99 is: 71,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,798.37 : 94,945.59 = 51,771.99 : x
  2. Step 2: Convert to fraction form
    68,798.37/94,945.59 = 51,771.99/x
  3. Step 3: Cross multiply
    68,798.37x = 94,945.59 × 51,771.99
  4. Step 4: Simplify right side
    68,798.37x = 4,915,522,136.02
  5. Step 5: Solve for x
    x = 4,915,522,136.02/68,798.37
  6. Step 6: Final answer
    x = 71,448.24

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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.