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Finding the Fourth Proportional to 111,606.56, 167,409.84 and 49,264.64

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Solution

The fourth proportional to 111,606.56, 167,409.84 and 49,264.64 is: 73,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,606.56 : 167,409.84 = 49,264.64 : x
  2. Step 2: Convert to fraction form
    111,606.56/167,409.84 = 49,264.64/x
  3. Step 3: Cross multiply
    111,606.56x = 167,409.84 × 49,264.64
  4. Step 4: Simplify right side
    111,606.56x = 8,247,385,500.06
  5. Step 5: Solve for x
    x = 8,247,385,500.06/111,606.56
  6. Step 6: Final answer
    x = 73,896.96

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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.