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Finding the Fourth Proportional to 111,321.12, 167,009 and 32,436.08

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Solution

The fourth proportional to 111,321.12, 167,009 and 32,436.08 is: 48,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,321.12 : 167,009 = 32,436.08 : x
  2. Step 2: Convert to fraction form
    111,321.12/167,009 = 32,436.08/x
  3. Step 3: Cross multiply
    111,321.12x = 167,009 × 32,436.08
  4. Step 4: Simplify right side
    111,321.12x = 5,417,117,284.72
  5. Step 5: Solve for x
    x = 5,417,117,284.72/111,321.12
  6. Step 6: Final answer
    x = 48,662.08

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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.