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Finding the Fourth Proportional to 62,195.63, 93,308.02 and 20,642.63

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Solution

The fourth proportional to 62,195.63, 93,308.02 and 20,642.63 is: 30,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,195.63 : 93,308.02 = 20,642.63 : x
  2. Step 2: Convert to fraction form
    62,195.63/93,308.02 = 20,642.63/x
  3. Step 3: Cross multiply
    62,195.63x = 93,308.02 × 20,642.63
  4. Step 4: Simplify right side
    62,195.63x = 1,926,122,932.89
  5. Step 5: Solve for x
    x = 1,926,122,932.89/62,195.63
  6. Step 6: Final answer
    x = 30,968.78

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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.