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Finding the Fourth Proportional to 116,365.60, 160,660.56 and 89,458.48

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Solution

The fourth proportional to 116,365.60, 160,660.56 and 89,458.48 is: 123,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,365.60 : 160,660.56 = 89,458.48 : x
  2. Step 2: Convert to fraction form
    116,365.60/160,660.56 = 89,458.48/x
  3. Step 3: Cross multiply
    116,365.60x = 160,660.56 × 89,458.48
  4. Step 4: Simplify right side
    116,365.60x = 14,372,449,493.55
  5. Step 5: Solve for x
    x = 14,372,449,493.55/116,365.60
  6. Step 6: Final answer
    x = 123,511.15

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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.