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Finding the Fourth Proportional to 93,661.92, 140,471.64 and 27,087.24

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Solution

The fourth proportional to 93,661.92, 140,471.64 and 27,087.24 is: 40,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,661.92 : 140,471.64 = 27,087.24 : x
  2. Step 2: Convert to fraction form
    93,661.92/140,471.64 = 27,087.24/x
  3. Step 3: Cross multiply
    93,661.92x = 140,471.64 × 27,087.24
  4. Step 4: Simplify right side
    93,661.92x = 3,804,989,025.87
  5. Step 5: Solve for x
    x = 3,804,989,025.87/93,661.92
  6. Step 6: Final answer
    x = 40,624.72

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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.