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Finding the Fourth Proportional to 93,774, 140,661 and 28,110

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Solution

The fourth proportional to 93,774, 140,661 and 28,110 is: 42,165

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,774 : 140,661 = 28,110 : x
  2. Step 2: Convert to fraction form
    93,774/140,661 = 28,110/x
  3. Step 3: Cross multiply
    93,774x = 140,661 × 28,110
  4. Step 4: Simplify right side
    93,774x = 3,953,980,710
  5. Step 5: Solve for x
    x = 3,953,980,710/93,774
  6. Step 6: Final answer
    x = 42,165

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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.