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Finding the Fourth Proportional to 161,279.80, 241,862.10 and 56,102.20

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Solution

The fourth proportional to 161,279.80, 241,862.10 and 56,102.20 is: 84,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,279.80 : 241,862.10 = 56,102.20 : x
  2. Step 2: Convert to fraction form
    161,279.80/241,862.10 = 56,102.20/x
  3. Step 3: Cross multiply
    161,279.80x = 241,862.10 × 56,102.20
  4. Step 4: Simplify right side
    161,279.80x = 13,568,995,906.62
  5. Step 5: Solve for x
    x = 13,568,995,906.62/161,279.80
  6. Step 6: Final answer
    x = 84,133.26

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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.