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Finding the Fourth Proportional to 110,455.88, 165,564.66 and 54,230.60

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Solution

The fourth proportional to 110,455.88, 165,564.66 and 54,230.60 is: 81,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,455.88 : 165,564.66 = 54,230.60 : x
  2. Step 2: Convert to fraction form
    110,455.88/165,564.66 = 54,230.60/x
  3. Step 3: Cross multiply
    110,455.88x = 165,564.66 × 54,230.60
  4. Step 4: Simplify right side
    110,455.88x = 8,978,670,850.60
  5. Step 5: Solve for x
    x = 8,978,670,850.60/110,455.88
  6. Step 6: Final answer
    x = 81,287.40

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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.