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Finding the Fourth Proportional to 80,459.40, 120,717.90 and 33,726.60

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Solution

The fourth proportional to 80,459.40, 120,717.90 and 33,726.60 is: 50,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,459.40 : 120,717.90 = 33,726.60 : x
  2. Step 2: Convert to fraction form
    80,459.40/120,717.90 = 33,726.60/x
  3. Step 3: Cross multiply
    80,459.40x = 120,717.90 × 33,726.60
  4. Step 4: Simplify right side
    80,459.40x = 4,071,404,326.14
  5. Step 5: Solve for x
    x = 4,071,404,326.14/80,459.40
  6. Step 6: Final answer
    x = 50,601.97

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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.