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Finding the Fourth Proportional to 80,434.69, 120,662.09 and 24,274.71

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Solution

The fourth proportional to 80,434.69, 120,662.09 and 24,274.71 is: 36,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.69 : 120,662.09 = 24,274.71 : x
  2. Step 2: Convert to fraction form
    80,434.69/120,662.09 = 24,274.71/x
  3. Step 3: Cross multiply
    80,434.69x = 120,662.09 × 24,274.71
  4. Step 4: Simplify right side
    80,434.69x = 2,929,036,518.06
  5. Step 5: Solve for x
    x = 2,929,036,518.06/80,434.69
  6. Step 6: Final answer
    x = 36,415.09

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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.