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Finding the Fourth Proportional to 186,461.04, 279,441.96 and 68,021.04

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Solution

The fourth proportional to 186,461.04, 279,441.96 and 68,021.04 is: 101,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,461.04 : 279,441.96 = 68,021.04 : x
  2. Step 2: Convert to fraction form
    186,461.04/279,441.96 = 68,021.04/x
  3. Step 3: Cross multiply
    186,461.04x = 279,441.96 × 68,021.04
  4. Step 4: Simplify right side
    186,461.04x = 19,007,932,738.84
  5. Step 5: Solve for x
    x = 19,007,932,738.84/186,461.04
  6. Step 6: Final answer
    x = 101,940.51

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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.