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Finding the Fourth Proportional to 79,364.80, 119,044.77 and 26,769.88

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Solution

The fourth proportional to 79,364.80, 119,044.77 and 26,769.88 is: 40,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.80 : 119,044.77 = 26,769.88 : x
  2. Step 2: Convert to fraction form
    79,364.80/119,044.77 = 26,769.88/x
  3. Step 3: Cross multiply
    79,364.80x = 119,044.77 × 26,769.88
  4. Step 4: Simplify right side
    79,364.80x = 3,186,814,207.53
  5. Step 5: Solve for x
    x = 3,186,814,207.53/79,364.80
  6. Step 6: Final answer
    x = 40,154.00

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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.