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Finding the Fourth Proportional to 183,162.56, 252,785.60 and 111,584.64

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Solution

The fourth proportional to 183,162.56, 252,785.60 and 111,584.64 is: 153,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,162.56 : 252,785.60 = 111,584.64 : x
  2. Step 2: Convert to fraction form
    183,162.56/252,785.60 = 111,584.64/x
  3. Step 3: Cross multiply
    183,162.56x = 252,785.60 × 111,584.64
  4. Step 4: Simplify right side
    183,162.56x = 28,206,990,173.18
  5. Step 5: Solve for x
    x = 28,206,990,173.18/183,162.56
  6. Step 6: Final answer
    x = 153,999.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.