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Finding the Fourth Proportional to 82,893.73, 124,377.34 and 43,441.46

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Solution

The fourth proportional to 82,893.73, 124,377.34 and 43,441.46 is: 65,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,893.73 : 124,377.34 = 43,441.46 : x
  2. Step 2: Convert to fraction form
    82,893.73/124,377.34 = 43,441.46/x
  3. Step 3: Cross multiply
    82,893.73x = 124,377.34 × 43,441.46
  4. Step 4: Simplify right side
    82,893.73x = 5,403,133,240.52
  5. Step 5: Solve for x
    x = 5,403,133,240.52/82,893.73
  6. Step 6: Final answer
    x = 65,181.45

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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.