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Finding the Fourth Proportional to 93,176.25, 139,786.25 and 30,846.75

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Solution

The fourth proportional to 93,176.25, 139,786.25 and 30,846.75 is: 46,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,176.25 : 139,786.25 = 30,846.75 : x
  2. Step 2: Convert to fraction form
    93,176.25/139,786.25 = 30,846.75/x
  3. Step 3: Cross multiply
    93,176.25x = 139,786.25 × 30,846.75
  4. Step 4: Simplify right side
    93,176.25x = 4,311,951,352.95
  5. Step 5: Solve for x
    x = 4,311,951,352.95/93,176.25
  6. Step 6: Final answer
    x = 46,277.37

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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.