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Finding the Fourth Proportional to 221,094.80, 331,447.80 and 132,383.60

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Solution

The fourth proportional to 221,094.80, 331,447.80 and 132,383.60 is: 198,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,094.80 : 331,447.80 = 132,383.60 : x
  2. Step 2: Convert to fraction form
    221,094.80/331,447.80 = 132,383.60/x
  3. Step 3: Cross multiply
    221,094.80x = 331,447.80 × 132,383.60
  4. Step 4: Simplify right side
    221,094.80x = 43,878,252,976.08
  5. Step 5: Solve for x
    x = 43,878,252,976.08/221,094.80
  6. Step 6: Final answer
    x = 198,459.00

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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.