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Finding the Fourth Proportional to 180,841.40, 271,185.30 and 87,375.80

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Solution

The fourth proportional to 180,841.40, 271,185.30 and 87,375.80 is: 131,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,841.40 : 271,185.30 = 87,375.80 : x
  2. Step 2: Convert to fraction form
    180,841.40/271,185.30 = 87,375.80/x
  3. Step 3: Cross multiply
    180,841.40x = 271,185.30 × 87,375.80
  4. Step 4: Simplify right side
    180,841.40x = 23,695,032,535.74
  5. Step 5: Solve for x
    x = 23,695,032,535.74/180,841.40
  6. Step 6: Final answer
    x = 131,026.59

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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.