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Finding the Fourth Proportional to 93,093.45, 139,626.33 and 33,915.33

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Solution

The fourth proportional to 93,093.45, 139,626.33 and 33,915.33 is: 50,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,093.45 : 139,626.33 = 33,915.33 : x
  2. Step 2: Convert to fraction form
    93,093.45/139,626.33 = 33,915.33/x
  3. Step 3: Cross multiply
    93,093.45x = 139,626.33 × 33,915.33
  4. Step 4: Simplify right side
    93,093.45x = 4,735,473,058.64
  5. Step 5: Solve for x
    x = 4,735,473,058.64/93,093.45
  6. Step 6: Final answer
    x = 50,867.95

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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.