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Finding the Fourth Proportional to 110,858.80, 166,309.80 and 44,287.60

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Solution

The fourth proportional to 110,858.80, 166,309.80 and 44,287.60 is: 66,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,858.80 : 166,309.80 = 44,287.60 : x
  2. Step 2: Convert to fraction form
    110,858.80/166,309.80 = 44,287.60/x
  3. Step 3: Cross multiply
    110,858.80x = 166,309.80 × 44,287.60
  4. Step 4: Simplify right side
    110,858.80x = 7,365,461,898.48
  5. Step 5: Solve for x
    x = 7,365,461,898.48/110,858.80
  6. Step 6: Final answer
    x = 66,440.03

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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.