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Finding the Fourth Proportional to 214,093.60, 321,140.40 and 114,560.80

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Solution

The fourth proportional to 214,093.60, 321,140.40 and 114,560.80 is: 171,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,093.60 : 321,140.40 = 114,560.80 : x
  2. Step 2: Convert to fraction form
    214,093.60/321,140.40 = 114,560.80/x
  3. Step 3: Cross multiply
    214,093.60x = 321,140.40 × 114,560.80
  4. Step 4: Simplify right side
    214,093.60x = 36,790,101,136.32
  5. Step 5: Solve for x
    x = 36,790,101,136.32/214,093.60
  6. Step 6: Final answer
    x = 171,841.20

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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.