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Finding the Fourth Proportional to 71,208.70, 106,876.41 and 37,956.22

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Solution

The fourth proportional to 71,208.70, 106,876.41 and 37,956.22 is: 56,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208.70 : 106,876.41 = 37,956.22 : x
  2. Step 2: Convert to fraction form
    71,208.70/106,876.41 = 37,956.22/x
  3. Step 3: Cross multiply
    71,208.70x = 106,876.41 × 37,956.22
  4. Step 4: Simplify right side
    71,208.70x = 4,056,624,530.77
  5. Step 5: Solve for x
    x = 4,056,624,530.77/71,208.70
  6. Step 6: Final answer
    x = 56,968.10

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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.