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Finding the Fourth Proportional to 95,745.34, 143,745.23 and 81,795.02

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Solution

The fourth proportional to 95,745.34, 143,745.23 and 81,795.02 is: 122,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,745.34 : 143,745.23 = 81,795.02 : x
  2. Step 2: Convert to fraction form
    95,745.34/143,745.23 = 81,795.02/x
  3. Step 3: Cross multiply
    95,745.34x = 143,745.23 × 81,795.02
  4. Step 4: Simplify right side
    95,745.34x = 11,757,643,448.52
  5. Step 5: Solve for x
    x = 11,757,643,448.52/95,745.34
  6. Step 6: Final answer
    x = 122,801.21

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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.