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Finding the Fourth Proportional to 110,748.60, 166,147.20 and 54,615.60

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Solution

The fourth proportional to 110,748.60, 166,147.20 and 54,615.60 is: 81,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,748.60 : 166,147.20 = 54,615.60 : x
  2. Step 2: Convert to fraction form
    110,748.60/166,147.20 = 54,615.60/x
  3. Step 3: Cross multiply
    110,748.60x = 166,147.20 × 54,615.60
  4. Step 4: Simplify right side
    110,748.60x = 9,074,229,016.32
  5. Step 5: Solve for x
    x = 9,074,229,016.32/110,748.60
  6. Step 6: Final answer
    x = 81,935.38

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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.