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Finding the Fourth Proportional to 222,808.34, 334,129.34 and 89,643.62

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Solution

The fourth proportional to 222,808.34, 334,129.34 and 89,643.62 is: 134,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,808.34 : 334,129.34 = 89,643.62 : x
  2. Step 2: Convert to fraction form
    222,808.34/334,129.34 = 89,643.62/x
  3. Step 3: Cross multiply
    222,808.34x = 334,129.34 × 89,643.62
  4. Step 4: Simplify right side
    222,808.34x = 29,952,563,585.81
  5. Step 5: Solve for x
    x = 29,952,563,585.81/222,808.34
  6. Step 6: Final answer
    x = 134,431.97

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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.