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Finding the Fourth Proportional to 116,163.63, 160,321.41 and 68,416.56

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Solution

The fourth proportional to 116,163.63, 160,321.41 and 68,416.56 is: 94,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,163.63 : 160,321.41 = 68,416.56 : x
  2. Step 2: Convert to fraction form
    116,163.63/160,321.41 = 68,416.56/x
  3. Step 3: Cross multiply
    116,163.63x = 160,321.41 × 68,416.56
  4. Step 4: Simplify right side
    116,163.63x = 10,968,639,366.55
  5. Step 5: Solve for x
    x = 10,968,639,366.55/116,163.63
  6. Step 6: Final answer
    x = 94,424.04

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1.5x scale

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.