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Finding the Fourth Proportional to 79,706.84, 119,576.03 and 22,781.26

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Solution

The fourth proportional to 79,706.84, 119,576.03 and 22,781.26 is: 34,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706.84 : 119,576.03 = 22,781.26 : x
  2. Step 2: Convert to fraction form
    79,706.84/119,576.03 = 22,781.26/x
  3. Step 3: Cross multiply
    79,706.84x = 119,576.03 × 22,781.26
  4. Step 4: Simplify right side
    79,706.84x = 2,724,092,629.20
  5. Step 5: Solve for x
    x = 2,724,092,629.20/79,706.84
  6. Step 6: Final answer
    x = 34,176.40

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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.