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Finding the Fourth Proportional to 220,914.00, 331,168.53 and 86,069.04

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Solution

The fourth proportional to 220,914.00, 331,168.53 and 86,069.04 is: 129,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,914.00 : 331,168.53 = 86,069.04 : x
  2. Step 2: Convert to fraction form
    220,914.00/331,168.53 = 86,069.04/x
  3. Step 3: Cross multiply
    220,914.00x = 331,168.53 × 86,069.04
  4. Step 4: Simplify right side
    220,914.00x = 28,503,358,138.51
  5. Step 5: Solve for x
    x = 28,503,358,138.51/220,914.00
  6. Step 6: Final answer
    x = 129,024.68

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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.