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Finding the Fourth Proportional to 80,393.85, 110,938.01 and 44,580.51

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Solution

The fourth proportional to 80,393.85, 110,938.01 and 44,580.51 is: 61,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393.85 : 110,938.01 = 44,580.51 : x
  2. Step 2: Convert to fraction form
    80,393.85/110,938.01 = 44,580.51/x
  3. Step 3: Cross multiply
    80,393.85x = 110,938.01 × 44,580.51
  4. Step 4: Simplify right side
    80,393.85x = 4,945,672,841.28
  5. Step 5: Solve for x
    x = 4,945,672,841.28/80,393.85
  6. Step 6: Final answer
    x = 61,518.05

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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.