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Finding the Fourth Proportional to 93,330, 139,995 and 27,666

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Solution

The fourth proportional to 93,330, 139,995 and 27,666 is: 41,499

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,330 : 139,995 = 27,666 : x
  2. Step 2: Convert to fraction form
    93,330/139,995 = 27,666/x
  3. Step 3: Cross multiply
    93,330x = 139,995 × 27,666
  4. Step 4: Simplify right side
    93,330x = 3,873,101,670
  5. Step 5: Solve for x
    x = 3,873,101,670/93,330
  6. Step 6: Final answer
    x = 41,499

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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.