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Finding the Fourth Proportional to 111,482.90, 167,249.90 and 48,313.63

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Solution

The fourth proportional to 111,482.90, 167,249.90 and 48,313.63 is: 72,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,482.90 : 167,249.90 = 48,313.63 : x
  2. Step 2: Convert to fraction form
    111,482.90/167,249.90 = 48,313.63/x
  3. Step 3: Cross multiply
    111,482.90x = 167,249.90 × 48,313.63
  4. Step 4: Simplify right side
    111,482.90x = 8,080,449,786.14
  5. Step 5: Solve for x
    x = 8,080,449,786.14/111,482.90
  6. Step 6: Final answer
    x = 72,481.52

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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.