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Finding the Fourth Proportional to 182,810.67, 274,311.63 and 74,820.20

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Solution

The fourth proportional to 182,810.67, 274,311.63 and 74,820.20 is: 112,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,810.67 : 274,311.63 = 74,820.20 : x
  2. Step 2: Convert to fraction form
    182,810.67/274,311.63 = 74,820.20/x
  3. Step 3: Cross multiply
    182,810.67x = 274,311.63 × 74,820.20
  4. Step 4: Simplify right side
    182,810.67x = 20,524,051,018.93
  5. Step 5: Solve for x
    x = 20,524,051,018.93/182,810.67
  6. Step 6: Final answer
    x = 112,269.44

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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.