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Finding the Fourth Proportional to 180,418.03, 270,687.17 and 60,486.84

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Solution

The fourth proportional to 180,418.03, 270,687.17 and 60,486.84 is: 90,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,418.03 : 270,687.17 = 60,486.84 : x
  2. Step 2: Convert to fraction form
    180,418.03/270,687.17 = 60,486.84/x
  3. Step 3: Cross multiply
    180,418.03x = 270,687.17 × 60,486.84
  4. Step 4: Simplify right side
    180,418.03x = 16,373,011,541.84
  5. Step 5: Solve for x
    x = 16,373,011,541.84/180,418.03
  6. Step 6: Final answer
    x = 90,750.42

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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.