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Finding the Fourth Proportional to 131,857.92, 181,927.00 and 82,804.82

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Solution

The fourth proportional to 131,857.92, 181,927.00 and 82,804.82 is: 114,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,857.92 : 181,927.00 = 82,804.82 : x
  2. Step 2: Convert to fraction form
    131,857.92/181,927.00 = 82,804.82/x
  3. Step 3: Cross multiply
    131,857.92x = 181,927.00 × 82,804.82
  4. Step 4: Simplify right side
    131,857.92x = 15,064,432,735.95
  5. Step 5: Solve for x
    x = 15,064,432,735.95/131,857.92
  6. Step 6: Final answer
    x = 114,247.46

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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.