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Finding the Fourth Proportional to 96,458.37, 132,819.20 and 85,546.45

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Solution

The fourth proportional to 96,458.37, 132,819.20 and 85,546.45 is: 117,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,458.37 : 132,819.20 = 85,546.45 : x
  2. Step 2: Convert to fraction form
    96,458.37/132,819.20 = 85,546.45/x
  3. Step 3: Cross multiply
    96,458.37x = 132,819.20 × 85,546.45
  4. Step 4: Simplify right side
    96,458.37x = 11,362,211,051.84
  5. Step 5: Solve for x
    x = 11,362,211,051.84/96,458.37
  6. Step 6: Final answer
    x = 117,793.94

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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.