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Finding the Fourth Proportional to 132,006.60, 197,961.30 and 65,424.60

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Solution

The fourth proportional to 132,006.60, 197,961.30 and 65,424.60 is: 98,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,006.60 : 197,961.30 = 65,424.60 : x
  2. Step 2: Convert to fraction form
    132,006.60/197,961.30 = 65,424.60/x
  3. Step 3: Cross multiply
    132,006.60x = 197,961.30 × 65,424.60
  4. Step 4: Simplify right side
    132,006.60x = 12,951,538,867.98
  5. Step 5: Solve for x
    x = 12,951,538,867.98/132,006.60
  6. Step 6: Final answer
    x = 98,112.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.