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Finding the Fourth Proportional to 93,163.68, 139,802.76 and 36,993.96

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Solution

The fourth proportional to 93,163.68, 139,802.76 and 36,993.96 is: 55,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.68 : 139,802.76 = 36,993.96 : x
  2. Step 2: Convert to fraction form
    93,163.68/139,802.76 = 36,993.96/x
  3. Step 3: Cross multiply
    93,163.68x = 139,802.76 × 36,993.96
  4. Step 4: Simplify right side
    93,163.68x = 5,171,857,711.33
  5. Step 5: Solve for x
    x = 5,171,857,711.33/93,163.68
  6. Step 6: Final answer
    x = 55,513.67

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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.