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Finding the Fourth Proportional to 79,706.36, 119,514.90 and 36,965.96

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Solution

The fourth proportional to 79,706.36, 119,514.90 and 36,965.96 is: 55,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.36 : 119,514.90 = 36,965.96 : x
  2. Step 2: Convert to fraction form
    79,706.36/119,514.90 = 36,965.96/x
  3. Step 3: Cross multiply
    79,706.36x = 119,514.90 × 36,965.96
  4. Step 4: Simplify right side
    79,706.36x = 4,417,983,012.80
  5. Step 5: Solve for x
    x = 4,417,983,012.80/79,706.36
  6. Step 6: Final answer
    x = 55,428.24

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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.