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Finding the Fourth Proportional to 285,161.01, 393,609.78 and 164,383.02

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Solution

The fourth proportional to 285,161.01, 393,609.78 and 164,383.02 is: 226,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,161.01 : 393,609.78 = 164,383.02 : x
  2. Step 2: Convert to fraction form
    285,161.01/393,609.78 = 164,383.02/x
  3. Step 3: Cross multiply
    285,161.01x = 393,609.78 × 164,383.02
  4. Step 4: Simplify right side
    285,161.01x = 64,702,764,337.94
  5. Step 5: Solve for x
    x = 64,702,764,337.94/285,161.01
  6. Step 6: Final answer
    x = 226,899.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.