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Finding the Fourth Proportional to 222,817.59, 334,143.23 and 89,652.87

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Solution

The fourth proportional to 222,817.59, 334,143.23 and 89,652.87 is: 134,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,817.59 : 334,143.23 = 89,652.87 : x
  2. Step 2: Convert to fraction form
    222,817.59/334,143.23 = 89,652.87/x
  3. Step 3: Cross multiply
    222,817.59x = 334,143.23 × 89,652.87
  4. Step 4: Simplify right side
    222,817.59x = 29,956,899,112.31
  5. Step 5: Solve for x
    x = 29,956,899,112.31/222,817.59
  6. Step 6: Final answer
    x = 134,445.84

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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.