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Finding the Fourth Proportional to 84,493.26, 116,629.80 and 48,697.56

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Solution

The fourth proportional to 84,493.26, 116,629.80 and 48,697.56 is: 67,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,493.26 : 116,629.80 = 48,697.56 : x
  2. Step 2: Convert to fraction form
    84,493.26/116,629.80 = 48,697.56/x
  3. Step 3: Cross multiply
    84,493.26x = 116,629.80 × 48,697.56
  4. Step 4: Simplify right side
    84,493.26x = 5,679,586,683.29
  5. Step 5: Solve for x
    x = 5,679,586,683.29/84,493.26
  6. Step 6: Final answer
    x = 67,219.41

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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.