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Finding the Fourth Proportional to 222,241.99, 333,227.98 and 87,144.21

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Solution

The fourth proportional to 222,241.99, 333,227.98 and 87,144.21 is: 130,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,241.99 : 333,227.98 = 87,144.21 : x
  2. Step 2: Convert to fraction form
    222,241.99/333,227.98 = 87,144.21/x
  3. Step 3: Cross multiply
    222,241.99x = 333,227.98 × 87,144.21
  4. Step 4: Simplify right side
    222,241.99x = 29,038,887,896.81
  5. Step 5: Solve for x
    x = 29,038,887,896.81/222,241.99
  6. Step 6: Final answer
    x = 130,663.37

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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.