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Finding the Fourth Proportional to 120,224.59, 180,372.98 and 35,987.49

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Solution

The fourth proportional to 120,224.59, 180,372.98 and 35,987.49 is: 53,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,224.59 : 180,372.98 = 35,987.49 : x
  2. Step 2: Convert to fraction form
    120,224.59/180,372.98 = 35,987.49/x
  3. Step 3: Cross multiply
    120,224.59x = 180,372.98 × 35,987.49
  4. Step 4: Simplify right side
    120,224.59x = 6,491,170,903.99
  5. Step 5: Solve for x
    x = 6,491,170,903.99/120,224.59
  6. Step 6: Final answer
    x = 53,992.04

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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.