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Finding the Fourth Proportional to 110,690.53, 166,102.31 and 39,607.56

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Solution

The fourth proportional to 110,690.53, 166,102.31 and 39,607.56 is: 59,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,690.53 : 166,102.31 = 39,607.56 : x
  2. Step 2: Convert to fraction form
    110,690.53/166,102.31 = 39,607.56/x
  3. Step 3: Cross multiply
    110,690.53x = 166,102.31 × 39,607.56
  4. Step 4: Simplify right side
    110,690.53x = 6,578,907,308.48
  5. Step 5: Solve for x
    x = 6,578,907,308.48/110,690.53
  6. Step 6: Final answer
    x = 59,435.14

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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.