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Finding the Fourth Proportional to 93,321.52, 139,982.11 and 23,200.83

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Solution

The fourth proportional to 93,321.52, 139,982.11 and 23,200.83 is: 34,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.52 : 139,982.11 = 23,200.83 : x
  2. Step 2: Convert to fraction form
    93,321.52/139,982.11 = 23,200.83/x
  3. Step 3: Cross multiply
    93,321.52x = 139,982.11 × 23,200.83
  4. Step 4: Simplify right side
    93,321.52x = 3,247,701,079.15
  5. Step 5: Solve for x
    x = 3,247,701,079.15/93,321.52
  6. Step 6: Final answer
    x = 34,801.20

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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.