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Finding the Fourth Proportional to 174,171.60, 261,192.60 and 68,968.80

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Solution

The fourth proportional to 174,171.60, 261,192.60 and 68,968.80 is: 103,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,171.60 : 261,192.60 = 68,968.80 : x
  2. Step 2: Convert to fraction form
    174,171.60/261,192.60 = 68,968.80/x
  3. Step 3: Cross multiply
    174,171.60x = 261,192.60 × 68,968.80
  4. Step 4: Simplify right side
    174,171.60x = 18,014,140,190.88
  5. Step 5: Solve for x
    x = 18,014,140,190.88/174,171.60
  6. Step 6: Final answer
    x = 103,427.54

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1.5x scale

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.