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Finding the Fourth Proportional to 182,543.80, 273,815.70 and 132,388.60

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Solution

The fourth proportional to 182,543.80, 273,815.70 and 132,388.60 is: 198,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,543.80 : 273,815.70 = 132,388.60 : x
  2. Step 2: Convert to fraction form
    182,543.80/273,815.70 = 132,388.60/x
  3. Step 3: Cross multiply
    182,543.80x = 273,815.70 × 132,388.60
  4. Step 4: Simplify right side
    182,543.80x = 36,250,077,181.02
  5. Step 5: Solve for x
    x = 36,250,077,181.02/182,543.80
  6. Step 6: Final answer
    x = 198,582.90

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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.