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Finding the Fourth Proportional to 93,680.92, 140,576.70 and 34,557.88

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Solution

The fourth proportional to 93,680.92, 140,576.70 and 34,557.88 is: 51,857.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.92 : 140,576.70 = 34,557.88 : x
  2. Step 2: Convert to fraction form
    93,680.92/140,576.70 = 34,557.88/x
  3. Step 3: Cross multiply
    93,680.92x = 140,576.70 × 34,557.88
  4. Step 4: Simplify right side
    93,680.92x = 4,858,032,729.40
  5. Step 5: Solve for x
    x = 4,858,032,729.40/93,680.92
  6. Step 6: Final answer
    x = 51,857.23

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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.