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Finding the Fourth Proportional to 218,102.98, 327,154.59 and 68,354.94

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Solution

The fourth proportional to 218,102.98, 327,154.59 and 68,354.94 is: 102,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,102.98 : 327,154.59 = 68,354.94 : x
  2. Step 2: Convert to fraction form
    218,102.98/327,154.59 = 68,354.94/x
  3. Step 3: Cross multiply
    218,102.98x = 327,154.59 × 68,354.94
  4. Step 4: Simplify right side
    218,102.98x = 22,362,631,852.88
  5. Step 5: Solve for x
    x = 22,362,631,852.88/218,102.98
  6. Step 6: Final answer
    x = 102,532.44

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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.