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Finding the Fourth Proportional to 218,477.99, 327,734.78 and 60,706.46

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Solution

The fourth proportional to 218,477.99, 327,734.78 and 60,706.46 is: 91,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,477.99 : 327,734.78 = 60,706.46 : x
  2. Step 2: Convert to fraction form
    218,477.99/327,734.78 = 60,706.46/x
  3. Step 3: Cross multiply
    218,477.99x = 327,734.78 × 60,706.46
  4. Step 4: Simplify right side
    218,477.99x = 19,895,618,828.48
  5. Step 5: Solve for x
    x = 19,895,618,828.48/218,477.99
  6. Step 6: Final answer
    x = 91,064.64

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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.