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Finding the Fourth Proportional to 110,714.40, 166,071.60 and 63,912.60

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Solution

The fourth proportional to 110,714.40, 166,071.60 and 63,912.60 is: 95,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,714.40 : 166,071.60 = 63,912.60 : x
  2. Step 2: Convert to fraction form
    110,714.40/166,071.60 = 63,912.60/x
  3. Step 3: Cross multiply
    110,714.40x = 166,071.60 × 63,912.60
  4. Step 4: Simplify right side
    110,714.40x = 10,614,067,742.16
  5. Step 5: Solve for x
    x = 10,614,067,742.16/110,714.40
  6. Step 6: Final answer
    x = 95,868.90

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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.