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Finding the Fourth Proportional to 218,166.49, 327,255.30 and 60,396.31

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Solution

The fourth proportional to 218,166.49, 327,255.30 and 60,396.31 is: 90,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,166.49 : 327,255.30 = 60,396.31 : x
  2. Step 2: Convert to fraction form
    218,166.49/327,255.30 = 60,396.31/x
  3. Step 3: Cross multiply
    218,166.49x = 327,255.30 × 60,396.31
  4. Step 4: Simplify right side
    218,166.49x = 19,765,012,547.94
  5. Step 5: Solve for x
    x = 19,765,012,547.94/218,166.49
  6. Step 6: Final answer
    x = 90,596.01

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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.