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Finding the Fourth Proportional to 175,682.40, 262,909.20 and 160,936.80

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Solution

The fourth proportional to 175,682.40, 262,909.20 and 160,936.80 is: 240,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,682.40 : 262,909.20 = 160,936.80 : x
  2. Step 2: Convert to fraction form
    175,682.40/262,909.20 = 160,936.80/x
  3. Step 3: Cross multiply
    175,682.40x = 262,909.20 × 160,936.80
  4. Step 4: Simplify right side
    175,682.40x = 42,311,765,338.56
  5. Step 5: Solve for x
    x = 42,311,765,338.56/175,682.40
  6. Step 6: Final answer
    x = 240,842.37

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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.