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Finding the Fourth Proportional to 86,452.56, 119,307.87 and 48,726

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Solution

The fourth proportional to 86,452.56, 119,307.87 and 48,726 is: 67,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452.56 : 119,307.87 = 48,726 : x
  2. Step 2: Convert to fraction form
    86,452.56/119,307.87 = 48,726/x
  3. Step 3: Cross multiply
    86,452.56x = 119,307.87 × 48,726
  4. Step 4: Simplify right side
    86,452.56x = 5,813,395,273.62
  5. Step 5: Solve for x
    x = 5,813,395,273.62/86,452.56
  6. Step 6: Final answer
    x = 67,243.76

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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.