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Finding the Fourth Proportional to 71,094.70, 106,579.56 and 29,010.22

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Solution

The fourth proportional to 71,094.70, 106,579.56 and 29,010.22 is: 43,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094.70 : 106,579.56 = 29,010.22 : x
  2. Step 2: Convert to fraction form
    71,094.70/106,579.56 = 29,010.22/x
  3. Step 3: Cross multiply
    71,094.70x = 106,579.56 × 29,010.22
  4. Step 4: Simplify right side
    71,094.70x = 3,091,896,483.10
  5. Step 5: Solve for x
    x = 3,091,896,483.10/71,094.70
  6. Step 6: Final answer
    x = 43,489.83

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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.