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Finding the Fourth Proportional to 93,694.60, 140,250.30 and 54,134.20

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Solution

The fourth proportional to 93,694.60, 140,250.30 and 54,134.20 is: 81,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.60 : 140,250.30 = 54,134.20 : x
  2. Step 2: Convert to fraction form
    93,694.60/140,250.30 = 54,134.20/x
  3. Step 3: Cross multiply
    93,694.60x = 140,250.30 × 54,134.20
  4. Step 4: Simplify right side
    93,694.60x = 7,592,337,790.26
  5. Step 5: Solve for x
    x = 7,592,337,790.26/93,694.60
  6. Step 6: Final answer
    x = 81,032.82

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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.