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Finding the Fourth Proportional to 161,311.80, 226,069.80 and 161,311.80

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Solution

The fourth proportional to 161,311.80, 226,069.80 and 161,311.80 is: 226,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,311.80 : 226,069.80 = 161,311.80 : x
  2. Step 2: Convert to fraction form
    161,311.80/226,069.80 = 161,311.80/x
  3. Step 3: Cross multiply
    161,311.80x = 226,069.80 × 161,311.80
  4. Step 4: Simplify right side
    161,311.80x = 36,467,726,363.64
  5. Step 5: Solve for x
    x = 36,467,726,363.64/161,311.80
  6. Step 6: Final answer
    x = 226,069.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.