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Finding the Fourth Proportional to 182,697.72, 251,893.44 and 139,729.92

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Solution

The fourth proportional to 182,697.72, 251,893.44 and 139,729.92 is: 192,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,697.72 : 251,893.44 = 139,729.92 : x
  2. Step 2: Convert to fraction form
    182,697.72/251,893.44 = 139,729.92/x
  3. Step 3: Cross multiply
    182,697.72x = 251,893.44 × 139,729.92
  4. Step 4: Simplify right side
    182,697.72x = 35,197,050,219.72
  5. Step 5: Solve for x
    x = 35,197,050,219.72/182,697.72
  6. Step 6: Final answer
    x = 192,651.83

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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.