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Finding the Fourth Proportional to 180,820.60, 271,230.90 and 173,141.80

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Solution

The fourth proportional to 180,820.60, 271,230.90 and 173,141.80 is: 259,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,820.60 : 271,230.90 = 173,141.80 : x
  2. Step 2: Convert to fraction form
    180,820.60/271,230.90 = 173,141.80/x
  3. Step 3: Cross multiply
    180,820.60x = 271,230.90 × 173,141.80
  4. Step 4: Simplify right side
    180,820.60x = 46,961,406,241.62
  5. Step 5: Solve for x
    x = 46,961,406,241.62/180,820.60
  6. Step 6: Final answer
    x = 259,712.70

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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.