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Finding the Fourth Proportional to 93,705.56, 140,620.60 and 43,789.52

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Solution

The fourth proportional to 93,705.56, 140,620.60 and 43,789.52 is: 65,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,705.56 : 140,620.60 = 43,789.52 : x
  2. Step 2: Convert to fraction form
    93,705.56/140,620.60 = 43,789.52/x
  3. Step 3: Cross multiply
    93,705.56x = 140,620.60 × 43,789.52
  4. Step 4: Simplify right side
    93,705.56x = 6,157,708,576.11
  5. Step 5: Solve for x
    x = 6,157,708,576.11/93,705.56
  6. Step 6: Final answer
    x = 65,713.37

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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.