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Finding the Fourth Proportional to 222,468.54, 333,699.99 and 53,990.25

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Solution

The fourth proportional to 222,468.54, 333,699.99 and 53,990.25 is: 80,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,468.54 : 333,699.99 = 53,990.25 : x
  2. Step 2: Convert to fraction form
    222,468.54/333,699.99 = 53,990.25/x
  3. Step 3: Cross multiply
    222,468.54x = 333,699.99 × 53,990.25
  4. Step 4: Simplify right side
    222,468.54x = 18,016,545,885.10
  5. Step 5: Solve for x
    x = 18,016,545,885.10/222,468.54
  6. Step 6: Final answer
    x = 80,984.69

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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.