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Finding the Fourth Proportional to 80,318, 110,841.27 and 44,504.66

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Solution

The fourth proportional to 80,318, 110,841.27 and 44,504.66 is: 61,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318 : 110,841.27 = 44,504.66 : x
  2. Step 2: Convert to fraction form
    80,318/110,841.27 = 44,504.66/x
  3. Step 3: Cross multiply
    80,318x = 110,841.27 × 44,504.66
  4. Step 4: Simplify right side
    80,318x = 4,932,953,035.32
  5. Step 5: Solve for x
    x = 4,932,953,035.32/80,318
  6. Step 6: Final answer
    x = 61,417.78

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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.