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Finding the Fourth Proportional to 123,163.54, 184,745.31 and 70,536.22

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Solution

The fourth proportional to 123,163.54, 184,745.31 and 70,536.22 is: 105,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,163.54 : 184,745.31 = 70,536.22 : x
  2. Step 2: Convert to fraction form
    123,163.54/184,745.31 = 70,536.22/x
  3. Step 3: Cross multiply
    123,163.54x = 184,745.31 × 70,536.22
  4. Step 4: Simplify right side
    123,163.54x = 13,031,235,830.13
  5. Step 5: Solve for x
    x = 13,031,235,830.13/123,163.54
  6. Step 6: Final answer
    x = 105,804.33

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1.5x scale

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.