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Finding the Fourth Proportional to 80,231.58, 110,721.15 and 44,420.58

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Solution

The fourth proportional to 80,231.58, 110,721.15 and 44,420.58 is: 61,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.58 : 110,721.15 = 44,420.58 : x
  2. Step 2: Convert to fraction form
    80,231.58/110,721.15 = 44,420.58/x
  3. Step 3: Cross multiply
    80,231.58x = 110,721.15 × 44,420.58
  4. Step 4: Simplify right side
    80,231.58x = 4,918,297,701.27
  5. Step 5: Solve for x
    x = 4,918,297,701.27/80,231.58
  6. Step 6: Final answer
    x = 61,301.27

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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.