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Finding the Fourth Proportional to 88,276.30, 132,414.45 and 81,796.30

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Solution

The fourth proportional to 88,276.30, 132,414.45 and 81,796.30 is: 122,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.30 : 132,414.45 = 81,796.30 : x
  2. Step 2: Convert to fraction form
    88,276.30/132,414.45 = 81,796.30/x
  3. Step 3: Cross multiply
    88,276.30x = 132,414.45 × 81,796.30
  4. Step 4: Simplify right side
    88,276.30x = 10,831,012,076.54
  5. Step 5: Solve for x
    x = 10,831,012,076.54/88,276.30
  6. Step 6: Final answer
    x = 122,694.45

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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.