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Finding the Fourth Proportional to 63,239.01, 87,266.40 and 34,942.88

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Solution

The fourth proportional to 63,239.01, 87,266.40 and 34,942.88 is: 48,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,239.01 : 87,266.40 = 34,942.88 : x
  2. Step 2: Convert to fraction form
    63,239.01/87,266.40 = 34,942.88/x
  3. Step 3: Cross multiply
    63,239.01x = 87,266.40 × 34,942.88
  4. Step 4: Simplify right side
    63,239.01x = 3,049,338,906.90
  5. Step 5: Solve for x
    x = 3,049,338,906.90/63,239.01
  6. Step 6: Final answer
    x = 48,219.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.