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Finding the Fourth Proportional to 111,690.60, 167,548.15 and 48,467.26

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Solution

The fourth proportional to 111,690.60, 167,548.15 and 48,467.26 is: 72,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,690.60 : 167,548.15 = 48,467.26 : x
  2. Step 2: Convert to fraction form
    111,690.60/167,548.15 = 48,467.26/x
  3. Step 3: Cross multiply
    111,690.60x = 167,548.15 × 48,467.26
  4. Step 4: Simplify right side
    111,690.60x = 8,120,599,745.96
  5. Step 5: Solve for x
    x = 8,120,599,745.96/111,690.60
  6. Step 6: Final answer
    x = 72,706.21

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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.