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Finding the Fourth Proportional to 222,004.67, 306,161.96 and 145,495.89

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Solution

The fourth proportional to 222,004.67, 306,161.96 and 145,495.89 is: 200,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,004.67 : 306,161.96 = 145,495.89 : x
  2. Step 2: Convert to fraction form
    222,004.67/306,161.96 = 145,495.89/x
  3. Step 3: Cross multiply
    222,004.67x = 306,161.96 × 145,495.89
  4. Step 4: Simplify right side
    222,004.67x = 44,545,306,126.87
  5. Step 5: Solve for x
    x = 44,545,306,126.87/222,004.67
  6. Step 6: Final answer
    x = 200,650.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.