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Finding the Fourth Proportional to 175,997.20, 263,477.40 and 165,744.40

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Solution

The fourth proportional to 175,997.20, 263,477.40 and 165,744.40 is: 248,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,997.20 : 263,477.40 = 165,744.40 : x
  2. Step 2: Convert to fraction form
    175,997.20/263,477.40 = 165,744.40/x
  3. Step 3: Cross multiply
    175,997.20x = 263,477.40 × 165,744.40
  4. Step 4: Simplify right side
    175,997.20x = 43,669,903,576.56
  5. Step 5: Solve for x
    x = 43,669,903,576.56/175,997.20
  6. Step 6: Final answer
    x = 248,128.40

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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.