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Finding the Fourth Proportional to 114,610.08, 158,163.36 and 64,308

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Solution

The fourth proportional to 114,610.08, 158,163.36 and 64,308 is: 88,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,610.08 : 158,163.36 = 64,308 : x
  2. Step 2: Convert to fraction form
    114,610.08/158,163.36 = 64,308/x
  3. Step 3: Cross multiply
    114,610.08x = 158,163.36 × 64,308
  4. Step 4: Simplify right side
    114,610.08x = 10,171,169,354.88
  5. Step 5: Solve for x
    x = 10,171,169,354.88/114,610.08
  6. Step 6: Final answer
    x = 88,745.85

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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.