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Finding the Fourth Proportional to 110,640.96, 165,936.96 and 44,068.80

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Solution

The fourth proportional to 110,640.96, 165,936.96 and 44,068.80 is: 66,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,640.96 : 165,936.96 = 44,068.80 : x
  2. Step 2: Convert to fraction form
    110,640.96/165,936.96 = 44,068.80/x
  3. Step 3: Cross multiply
    110,640.96x = 165,936.96 × 44,068.80
  4. Step 4: Simplify right side
    110,640.96x = 7,312,642,702.85
  5. Step 5: Solve for x
    x = 7,312,642,702.85/110,640.96
  6. Step 6: Final answer
    x = 66,093.45

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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.