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Finding the Fourth Proportional to 180,813.60, 271,220.40 and 173,134.80

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Solution

The fourth proportional to 180,813.60, 271,220.40 and 173,134.80 is: 259,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,813.60 : 271,220.40 = 173,134.80 : x
  2. Step 2: Convert to fraction form
    180,813.60/271,220.40 = 173,134.80/x
  3. Step 3: Cross multiply
    180,813.60x = 271,220.40 × 173,134.80
  4. Step 4: Simplify right side
    180,813.60x = 46,957,689,709.92
  5. Step 5: Solve for x
    x = 46,957,689,709.92/180,813.60
  6. Step 6: Final answer
    x = 259,702.20

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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.