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Finding the Fourth Proportional to 93,175.75, 139,770.92 and 30,846.25

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Solution

The fourth proportional to 93,175.75, 139,770.92 and 30,846.25 is: 46,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175.75 : 139,770.92 = 30,846.25 : x
  2. Step 2: Convert to fraction form
    93,175.75/139,770.92 = 30,846.25/x
  3. Step 3: Cross multiply
    93,175.75x = 139,770.92 × 30,846.25
  4. Step 4: Simplify right side
    93,175.75x = 4,311,408,741.05
  5. Step 5: Solve for x
    x = 4,311,408,741.05/93,175.75
  6. Step 6: Final answer
    x = 46,271.79

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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.