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Finding the Fourth Proportional to 93,963.44, 140,674.32 and 62,405

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Solution

The fourth proportional to 93,963.44, 140,674.32 and 62,405 is: 93,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,963.44 : 140,674.32 = 62,405 : x
  2. Step 2: Convert to fraction form
    93,963.44/140,674.32 = 62,405/x
  3. Step 3: Cross multiply
    93,963.44x = 140,674.32 × 62,405
  4. Step 4: Simplify right side
    93,963.44x = 8,778,780,939.60
  5. Step 5: Solve for x
    x = 8,778,780,939.60/93,963.44
  6. Step 6: Final answer
    x = 93,427.62

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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.