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Finding the Fourth Proportional to 111,741.53, 167,608.53 and 48,561.65

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Solution

The fourth proportional to 111,741.53, 167,608.53 and 48,561.65 is: 72,840.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,741.53 : 167,608.53 = 48,561.65 : x
  2. Step 2: Convert to fraction form
    111,741.53/167,608.53 = 48,561.65/x
  3. Step 3: Cross multiply
    111,741.53x = 167,608.53 × 48,561.65
  4. Step 4: Simplify right side
    111,741.53x = 8,139,345,932.83
  5. Step 5: Solve for x
    x = 8,139,345,932.83/111,741.53
  6. Step 6: Final answer
    x = 72,840.83

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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.