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Finding the Fourth Proportional to 171,069.90, 256,604.85 and 162,905.10

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Solution

The fourth proportional to 171,069.90, 256,604.85 and 162,905.10 is: 244,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,069.90 : 256,604.85 = 162,905.10 : x
  2. Step 2: Convert to fraction form
    171,069.90/256,604.85 = 162,905.10/x
  3. Step 3: Cross multiply
    171,069.90x = 256,604.85 × 162,905.10
  4. Step 4: Simplify right side
    171,069.90x = 41,802,238,749.74
  5. Step 5: Solve for x
    x = 41,802,238,749.74/171,069.90
  6. Step 6: Final answer
    x = 244,357.65

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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.