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Finding the Fourth Proportional to 222,114.97, 333,172.19 and 72,355.01

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Solution

The fourth proportional to 222,114.97, 333,172.19 and 72,355.01 is: 108,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,114.97 : 333,172.19 = 72,355.01 : x
  2. Step 2: Convert to fraction form
    222,114.97/333,172.19 = 72,355.01/x
  3. Step 3: Cross multiply
    222,114.97x = 333,172.19 × 72,355.01
  4. Step 4: Simplify right side
    222,114.97x = 24,106,676,777.40
  5. Step 5: Solve for x
    x = 24,106,676,777.40/222,114.97
  6. Step 6: Final answer
    x = 108,532.43

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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.