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Finding the Fourth Proportional to 222,358.21, 333,599.67 and 89,331.89

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Solution

The fourth proportional to 222,358.21, 333,599.67 and 89,331.89 is: 134,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,358.21 : 333,599.67 = 89,331.89 : x
  2. Step 2: Convert to fraction form
    222,358.21/333,599.67 = 89,331.89/x
  3. Step 3: Cross multiply
    222,358.21x = 333,599.67 × 89,331.89
  4. Step 4: Simplify right side
    222,358.21x = 29,801,089,024.48
  5. Step 5: Solve for x
    x = 29,801,089,024.48/222,358.21
  6. Step 6: Final answer
    x = 134,022.89

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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.