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Finding the Fourth Proportional to 84,370.83, 116,398.26 and 48,541.56

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Solution

The fourth proportional to 84,370.83, 116,398.26 and 48,541.56 is: 66,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,370.83 : 116,398.26 = 48,541.56 : x
  2. Step 2: Convert to fraction form
    84,370.83/116,398.26 = 48,541.56/x
  3. Step 3: Cross multiply
    84,370.83x = 116,398.26 × 48,541.56
  4. Step 4: Simplify right side
    84,370.83x = 5,650,153,121.69
  5. Step 5: Solve for x
    x = 5,650,153,121.69/84,370.83
  6. Step 6: Final answer
    x = 66,968.09

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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.