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Finding the Fourth Proportional to 93,097.69, 139,674.07 and 53,683.09

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Solution

The fourth proportional to 93,097.69, 139,674.07 and 53,683.09 is: 80,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,097.69 : 139,674.07 = 53,683.09 : x
  2. Step 2: Convert to fraction form
    93,097.69/139,674.07 = 53,683.09/x
  3. Step 3: Cross multiply
    93,097.69x = 139,674.07 × 53,683.09
  4. Step 4: Simplify right side
    93,097.69x = 7,498,135,388.39
  5. Step 5: Solve for x
    x = 7,498,135,388.39/93,097.69
  6. Step 6: Final answer
    x = 80,540.51

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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.