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Finding the Fourth Proportional to 180,419.52, 270,543.84 and 54,011.04

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Solution

The fourth proportional to 180,419.52, 270,543.84 and 54,011.04 is: 80,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,419.52 : 270,543.84 = 54,011.04 : x
  2. Step 2: Convert to fraction form
    180,419.52/270,543.84 = 54,011.04/x
  3. Step 3: Cross multiply
    180,419.52x = 270,543.84 × 54,011.04
  4. Step 4: Simplify right side
    180,419.52x = 14,612,354,163.99
  5. Step 5: Solve for x
    x = 14,612,354,163.99/180,419.52
  6. Step 6: Final answer
    x = 80,990.98

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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.