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Finding the Fourth Proportional to 185,172.36, 277,771.62 and 91,653

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Solution

The fourth proportional to 185,172.36, 277,771.62 and 91,653 is: 137,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,172.36 : 277,771.62 = 91,653 : x
  2. Step 2: Convert to fraction form
    185,172.36/277,771.62 = 91,653/x
  3. Step 3: Cross multiply
    185,172.36x = 277,771.62 × 91,653
  4. Step 4: Simplify right side
    185,172.36x = 25,458,602,287.86
  5. Step 5: Solve for x
    x = 25,458,602,287.86/185,172.36
  6. Step 6: Final answer
    x = 137,485.97

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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.