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Finding the Fourth Proportional to 140,441.60, 193,638.40 and 132,300.80

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Solution

The fourth proportional to 140,441.60, 193,638.40 and 132,300.80 is: 182,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441.60 : 193,638.40 = 132,300.80 : x
  2. Step 2: Convert to fraction form
    140,441.60/193,638.40 = 132,300.80/x
  3. Step 3: Cross multiply
    140,441.60x = 193,638.40 × 132,300.80
  4. Step 4: Simplify right side
    140,441.60x = 25,618,515,230.72
  5. Step 5: Solve for x
    x = 25,618,515,230.72/140,441.60
  6. Step 6: Final answer
    x = 182,414.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.