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Finding the Fourth Proportional to 222,333.10, 333,561.72 and 89,306.77

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Solution

The fourth proportional to 222,333.10, 333,561.72 and 89,306.77 is: 133,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,333.10 : 333,561.72 = 89,306.77 : x
  2. Step 2: Convert to fraction form
    222,333.10/333,561.72 = 89,306.77/x
  3. Step 3: Cross multiply
    222,333.10x = 333,561.72 × 89,306.77
  4. Step 4: Simplify right side
    222,333.10x = 29,789,317,694.50
  5. Step 5: Solve for x
    x = 29,789,317,694.50/222,333.10
  6. Step 6: Final answer
    x = 133,985.08

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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.