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Finding the Fourth Proportional to 181,290.30, 271,935.45 and 161,072.70

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Solution

The fourth proportional to 181,290.30, 271,935.45 and 161,072.70 is: 241,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290.30 : 271,935.45 = 161,072.70 : x
  2. Step 2: Convert to fraction form
    181,290.30/271,935.45 = 161,072.70/x
  3. Step 3: Cross multiply
    181,290.30x = 271,935.45 × 161,072.70
  4. Step 4: Simplify right side
    181,290.30x = 43,801,377,157.22
  5. Step 5: Solve for x
    x = 43,801,377,157.22/181,290.30
  6. Step 6: Final answer
    x = 241,609.05

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1.5x scale

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.