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Finding the Fourth Proportional to 234,302.79, 323,361.72 and 168,945.38

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Solution

The fourth proportional to 234,302.79, 323,361.72 and 168,945.38 is: 233,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,302.79 : 323,361.72 = 168,945.38 : x
  2. Step 2: Convert to fraction form
    234,302.79/323,361.72 = 168,945.38/x
  3. Step 3: Cross multiply
    234,302.79x = 323,361.72 × 168,945.38
  4. Step 4: Simplify right side
    234,302.79x = 54,630,468,662.85
  5. Step 5: Solve for x
    x = 54,630,468,662.85/234,302.79
  6. Step 6: Final answer
    x = 233,161.84

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1.5x scale

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.