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Finding the Fourth Proportional to 71,706.80, 107,545.80 and 34,266.80

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Solution

The fourth proportional to 71,706.80, 107,545.80 and 34,266.80 is: 51,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,706.80 : 107,545.80 = 34,266.80 : x
  2. Step 2: Convert to fraction form
    71,706.80/107,545.80 = 34,266.80/x
  3. Step 3: Cross multiply
    71,706.80x = 107,545.80 × 34,266.80
  4. Step 4: Simplify right side
    71,706.80x = 3,685,250,419.44
  5. Step 5: Solve for x
    x = 3,685,250,419.44/71,706.80
  6. Step 6: Final answer
    x = 51,393.32

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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.