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Finding the Fourth Proportional to 80,324.85, 110,848.95 and 44,515.45

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Solution

The fourth proportional to 80,324.85, 110,848.95 and 44,515.45 is: 61,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.85 : 110,848.95 = 44,515.45 : x
  2. Step 2: Convert to fraction form
    80,324.85/110,848.95 = 44,515.45/x
  3. Step 3: Cross multiply
    80,324.85x = 110,848.95 × 44,515.45
  4. Step 4: Simplify right side
    80,324.85x = 4,934,490,891.28
  5. Step 5: Solve for x
    x = 4,934,490,891.28/80,324.85
  6. Step 6: Final answer
    x = 61,431.69

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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.