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Finding the Fourth Proportional to 281,951.00, 389,113.00 and 161,089.69

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Solution

The fourth proportional to 281,951.00, 389,113.00 and 161,089.69 is: 222,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,951.00 : 389,113.00 = 161,089.69 : x
  2. Step 2: Convert to fraction form
    281,951.00/389,113.00 = 161,089.69/x
  3. Step 3: Cross multiply
    281,951.00x = 389,113.00 × 161,089.69
  4. Step 4: Simplify right side
    281,951.00x = 62,682,094,456.32
  5. Step 5: Solve for x
    x = 62,682,094,456.32/281,951.00
  6. Step 6: Final answer
    x = 222,315.56

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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.