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Finding the Fourth Proportional to 222,763.10, 334,109.10 and 64,954.64

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Solution

The fourth proportional to 222,763.10, 334,109.10 and 64,954.64 is: 97,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,763.10 : 334,109.10 = 64,954.64 : x
  2. Step 2: Convert to fraction form
    222,763.10/334,109.10 = 64,954.64/x
  3. Step 3: Cross multiply
    222,763.10x = 334,109.10 × 64,954.64
  4. Step 4: Simplify right side
    222,763.10x = 21,701,936,311.22
  5. Step 5: Solve for x
    x = 21,701,936,311.22/222,763.10
  6. Step 6: Final answer
    x = 97,421.59

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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.