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Finding the Fourth Proportional to 56,510,196, 84,777,930 and 20,608,404

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Solution

The fourth proportional to 56,510,196, 84,777,930 and 20,608,404 is: 30,917,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,510,196 : 84,777,930 = 20,608,404 : x
  2. Step 2: Convert to fraction form
    56,510,196/84,777,930 = 20,608,404/x
  3. Step 3: Cross multiply
    56,510,196x = 84,777,930 × 20,608,404
  4. Step 4: Simplify right side
    56,510,196x = 1,747,137,831,723,720
  5. Step 5: Solve for x
    x = 1,747,137,831,723,720/56,510,196
  6. Step 6: Final answer
    x = 30,917,214.16

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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.