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Finding the Fourth Proportional to 182,808.67, 274,308.63 and 74,818.20

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Solution

The fourth proportional to 182,808.67, 274,308.63 and 74,818.20 is: 112,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,808.67 : 274,308.63 = 74,818.20 : x
  2. Step 2: Convert to fraction form
    182,808.67/274,308.63 = 74,818.20/x
  3. Step 3: Cross multiply
    182,808.67x = 274,308.63 × 74,818.20
  4. Step 4: Simplify right side
    182,808.67x = 20,523,278,198.25
  5. Step 5: Solve for x
    x = 20,523,278,198.25/182,808.67
  6. Step 6: Final answer
    x = 112,266.44

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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.