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Finding the Fourth Proportional to 222,157.91, 333,250.71 and 89,020.87

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Solution

The fourth proportional to 222,157.91, 333,250.71 and 89,020.87 is: 133,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,157.91 : 333,250.71 = 89,020.87 : x
  2. Step 2: Convert to fraction form
    222,157.91/333,250.71 = 89,020.87/x
  3. Step 3: Cross multiply
    222,157.91x = 333,250.71 × 89,020.87
  4. Step 4: Simplify right side
    222,157.91x = 29,666,268,132.32
  5. Step 5: Solve for x
    x = 29,666,268,132.32/222,157.91
  6. Step 6: Final answer
    x = 133,536.85

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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.