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Finding the Fourth Proportional to 222,115.97, 333,173.68 and 72,356.01

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Solution

The fourth proportional to 222,115.97, 333,173.68 and 72,356.01 is: 108,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,115.97 : 333,173.68 = 72,356.01 : x
  2. Step 2: Convert to fraction form
    222,115.97/333,173.68 = 72,356.01/x
  3. Step 3: Cross multiply
    222,115.97x = 333,173.68 × 72,356.01
  4. Step 4: Simplify right side
    222,115.97x = 24,107,118,121.82
  5. Step 5: Solve for x
    x = 24,107,118,121.82/222,115.97
  6. Step 6: Final answer
    x = 108,533.93

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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.