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Finding the Fourth Proportional to 93,068.68, 139,520.40 and 33,893.32

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Solution

The fourth proportional to 93,068.68, 139,520.40 and 33,893.32 is: 50,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,068.68 : 139,520.40 = 33,893.32 : x
  2. Step 2: Convert to fraction form
    93,068.68/139,520.40 = 33,893.32/x
  3. Step 3: Cross multiply
    93,068.68x = 139,520.40 × 33,893.32
  4. Step 4: Simplify right side
    93,068.68x = 4,728,809,563.73
  5. Step 5: Solve for x
    x = 4,728,809,563.73/93,068.68
  6. Step 6: Final answer
    x = 50,809.89

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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.