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Finding the Fourth Proportional to 93,809.56, 140,691.64 and 27,231.60

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Solution

The fourth proportional to 93,809.56, 140,691.64 and 27,231.60 is: 40,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,809.56 : 140,691.64 = 27,231.60 : x
  2. Step 2: Convert to fraction form
    93,809.56/140,691.64 = 27,231.60/x
  3. Step 3: Cross multiply
    93,809.56x = 140,691.64 × 27,231.60
  4. Step 4: Simplify right side
    93,809.56x = 3,831,258,463.82
  5. Step 5: Solve for x
    x = 3,831,258,463.82/93,809.56
  6. Step 6: Final answer
    x = 40,840.81

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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.