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Finding the Fourth Proportional to 222,666.67, 333,997.16 and 54,187.28

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Solution

The fourth proportional to 222,666.67, 333,997.16 and 54,187.28 is: 81,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,666.67 : 333,997.16 = 54,187.28 : x
  2. Step 2: Convert to fraction form
    222,666.67/333,997.16 = 54,187.28/x
  3. Step 3: Cross multiply
    222,666.67x = 333,997.16 × 54,187.28
  4. Step 4: Simplify right side
    222,666.67x = 18,098,395,958.14
  5. Step 5: Solve for x
    x = 18,098,395,958.14/222,666.67
  6. Step 6: Final answer
    x = 81,280.22

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1.5x scale

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.