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Finding the Fourth Proportional to 80,497.77, 120,764.56 and 26,464.89

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Solution

The fourth proportional to 80,497.77, 120,764.56 and 26,464.89 is: 39,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,497.77 : 120,764.56 = 26,464.89 : x
  2. Step 2: Convert to fraction form
    80,497.77/120,764.56 = 26,464.89/x
  3. Step 3: Cross multiply
    80,497.77x = 120,764.56 × 26,464.89
  4. Step 4: Simplify right side
    80,497.77x = 3,196,020,796.30
  5. Step 5: Solve for x
    x = 3,196,020,796.30/80,497.77
  6. Step 6: Final answer
    x = 39,703.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.