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Finding the Fourth Proportional to 93,267.96, 139,921.93 and 30,091.68

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Solution

The fourth proportional to 93,267.96, 139,921.93 and 30,091.68 is: 45,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,267.96 : 139,921.93 = 30,091.68 : x
  2. Step 2: Convert to fraction form
    93,267.96/139,921.93 = 30,091.68/x
  3. Step 3: Cross multiply
    93,267.96x = 139,921.93 × 30,091.68
  4. Step 4: Simplify right side
    93,267.96x = 4,210,485,942.54
  5. Step 5: Solve for x
    x = 4,210,485,942.54/93,267.96
  6. Step 6: Final answer
    x = 45,143.97

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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.