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Finding the Fourth Proportional to 80,317.21, 110,838.40 and 44,507.82

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Solution

The fourth proportional to 80,317.21, 110,838.40 and 44,507.82 is: 61,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.21 : 110,838.40 = 44,507.82 : x
  2. Step 2: Convert to fraction form
    80,317.21/110,838.40 = 44,507.82/x
  3. Step 3: Cross multiply
    80,317.21x = 110,838.40 × 44,507.82
  4. Step 4: Simplify right side
    80,317.21x = 4,933,175,556.29
  5. Step 5: Solve for x
    x = 4,933,175,556.29/80,317.21
  6. Step 6: Final answer
    x = 61,421.15

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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.