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Finding the Fourth Proportional to 188,504.66, 282,796.61 and 55,373.72

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Solution

The fourth proportional to 188,504.66, 282,796.61 and 55,373.72 is: 83,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,504.66 : 282,796.61 = 55,373.72 : x
  2. Step 2: Convert to fraction form
    188,504.66/282,796.61 = 55,373.72/x
  3. Step 3: Cross multiply
    188,504.66x = 282,796.61 × 55,373.72
  4. Step 4: Simplify right side
    188,504.66x = 15,659,500,299.09
  5. Step 5: Solve for x
    x = 15,659,500,299.09/188,504.66
  6. Step 6: Final answer
    x = 83,072.22

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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.