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Finding the Fourth Proportional to 79,194.46, 118,515.56 and 64,796.54

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Solution

The fourth proportional to 79,194.46, 118,515.56 and 64,796.54 is: 96,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,194.46 : 118,515.56 = 64,796.54 : x
  2. Step 2: Convert to fraction form
    79,194.46/118,515.56 = 64,796.54/x
  3. Step 3: Cross multiply
    79,194.46x = 118,515.56 × 64,796.54
  4. Step 4: Simplify right side
    79,194.46x = 7,679,398,224.16
  5. Step 5: Solve for x
    x = 7,679,398,224.16/79,194.46
  6. Step 6: Final answer
    x = 96,968.88

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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.