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Finding the Fourth Proportional to 362,687.46, 543,888.72 and 122,735.28

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Solution

The fourth proportional to 362,687.46, 543,888.72 and 122,735.28 is: 184,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,687.46 : 543,888.72 = 122,735.28 : x
  2. Step 2: Convert to fraction form
    362,687.46/543,888.72 = 122,735.28/x
  3. Step 3: Cross multiply
    362,687.46x = 543,888.72 × 122,735.28
  4. Step 4: Simplify right side
    362,687.46x = 66,754,334,338.04
  5. Step 5: Solve for x
    x = 66,754,334,338.04/362,687.46
  6. Step 6: Final answer
    x = 184,054.71

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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.