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Finding the Fourth Proportional to 117,454.23, 162,087.26 and 63,739.23

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Solution

The fourth proportional to 117,454.23, 162,087.26 and 63,739.23 is: 87,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.23 : 162,087.26 = 63,739.23 : x
  2. Step 2: Convert to fraction form
    117,454.23/162,087.26 = 63,739.23/x
  3. Step 3: Cross multiply
    117,454.23x = 162,087.26 × 63,739.23
  4. Step 4: Simplify right side
    117,454.23x = 10,331,317,145.21
  5. Step 5: Solve for x
    x = 10,331,317,145.21/117,454.23
  6. Step 6: Final answer
    x = 87,960.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.