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Finding the Fourth Proportional to 110,344.60, 165,603.30 and 51,187.60

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Solution

The fourth proportional to 110,344.60, 165,603.30 and 51,187.60 is: 76,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,344.60 : 165,603.30 = 51,187.60 : x
  2. Step 2: Convert to fraction form
    110,344.60/165,603.30 = 51,187.60/x
  3. Step 3: Cross multiply
    110,344.60x = 165,603.30 × 51,187.60
  4. Step 4: Simplify right side
    110,344.60x = 8,476,835,479.08
  5. Step 5: Solve for x
    x = 8,476,835,479.08/110,344.60
  6. Step 6: Final answer
    x = 76,821.48

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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.