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Finding the Fourth Proportional to 111,538.40, 167,272.08 and 36,641.16

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Solution

The fourth proportional to 111,538.40, 167,272.08 and 36,641.16 is: 54,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,538.40 : 167,272.08 = 36,641.16 : x
  2. Step 2: Convert to fraction form
    111,538.40/167,272.08 = 36,641.16/x
  3. Step 3: Cross multiply
    111,538.40x = 167,272.08 × 36,641.16
  4. Step 4: Simplify right side
    111,538.40x = 6,129,043,046.81
  5. Step 5: Solve for x
    x = 6,129,043,046.81/111,538.40
  6. Step 6: Final answer
    x = 54,950.07

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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.