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Finding the Fourth Proportional to 116,104, 160,197.60 and 68,359.36

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Solution

The fourth proportional to 116,104, 160,197.60 and 68,359.36 is: 94,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,104 : 160,197.60 = 68,359.36 : x
  2. Step 2: Convert to fraction form
    116,104/160,197.60 = 68,359.36/x
  3. Step 3: Cross multiply
    116,104x = 160,197.60 × 68,359.36
  4. Step 4: Simplify right side
    116,104x = 10,951,005,409.54
  5. Step 5: Solve for x
    x = 10,951,005,409.54/116,104
  6. Step 6: Final answer
    x = 94,320.66

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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.