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Finding the Fourth Proportional to 92,163.67, 138,245.44 and 52,693.10

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Solution

The fourth proportional to 92,163.67, 138,245.44 and 52,693.10 is: 79,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,163.67 : 138,245.44 = 52,693.10 : x
  2. Step 2: Convert to fraction form
    92,163.67/138,245.44 = 52,693.10/x
  3. Step 3: Cross multiply
    92,163.67x = 138,245.44 × 52,693.10
  4. Step 4: Simplify right side
    92,163.67x = 7,284,579,971.50
  5. Step 5: Solve for x
    x = 7,284,579,971.50/92,163.67
  6. Step 6: Final answer
    x = 79,039.61

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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.