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Finding the Fourth Proportional to 333,418.84, 500,180.10 and 111,751

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Solution

The fourth proportional to 333,418.84, 500,180.10 and 111,751 is: 167,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,418.84 : 500,180.10 = 111,751 : x
  2. Step 2: Convert to fraction form
    333,418.84/500,180.10 = 111,751/x
  3. Step 3: Cross multiply
    333,418.84x = 500,180.10 × 111,751
  4. Step 4: Simplify right side
    333,418.84x = 55,895,626,355.10
  5. Step 5: Solve for x
    x = 55,895,626,355.10/333,418.84
  6. Step 6: Final answer
    x = 167,643.88

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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.