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Finding the Fourth Proportional to 110,640.10, 165,960.15 and 36,768.10

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Solution

The fourth proportional to 110,640.10, 165,960.15 and 36,768.10 is: 55,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,640.10 : 165,960.15 = 36,768.10 : x
  2. Step 2: Convert to fraction form
    110,640.10/165,960.15 = 36,768.10/x
  3. Step 3: Cross multiply
    110,640.10x = 165,960.15 × 36,768.10
  4. Step 4: Simplify right side
    110,640.10x = 6,102,039,391.22
  5. Step 5: Solve for x
    x = 6,102,039,391.22/110,640.10
  6. Step 6: Final answer
    x = 55,152.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.