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Finding the Fourth Proportional to 93,267.92, 139,858.50 and 30,076.22

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Solution

The fourth proportional to 93,267.92, 139,858.50 and 30,076.22 is: 45,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,267.92 : 139,858.50 = 30,076.22 : x
  2. Step 2: Convert to fraction form
    93,267.92/139,858.50 = 30,076.22/x
  3. Step 3: Cross multiply
    93,267.92x = 139,858.50 × 30,076.22
  4. Step 4: Simplify right side
    93,267.92x = 4,206,415,014.87
  5. Step 5: Solve for x
    x = 4,206,415,014.87/93,267.92
  6. Step 6: Final answer
    x = 45,100.34

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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.