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Finding the Fourth Proportional to 468,139.03, 701,786.94 and 168,408.88

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Solution

The fourth proportional to 468,139.03, 701,786.94 and 168,408.88 is: 252,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,139.03 : 701,786.94 = 168,408.88 : x
  2. Step 2: Convert to fraction form
    468,139.03/701,786.94 = 168,408.88/x
  3. Step 3: Cross multiply
    468,139.03x = 701,786.94 × 168,408.88
  4. Step 4: Simplify right side
    468,139.03x = 118,187,152,564.03
  5. Step 5: Solve for x
    x = 118,187,152,564.03/468,139.03
  6. Step 6: Final answer
    x = 252,461.65

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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.