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Finding the Fourth Proportional to 222,665.04, 333,998.24 and 54,185.40

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Solution

The fourth proportional to 222,665.04, 333,998.24 and 54,185.40 is: 81,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,665.04 : 333,998.24 = 54,185.40 : x
  2. Step 2: Convert to fraction form
    222,665.04/333,998.24 = 54,185.40/x
  3. Step 3: Cross multiply
    222,665.04x = 333,998.24 × 54,185.40
  4. Step 4: Simplify right side
    222,665.04x = 18,097,827,962.77
  5. Step 5: Solve for x
    x = 18,097,827,962.77/222,665.04
  6. Step 6: Final answer
    x = 81,278.26

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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.