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Finding the Fourth Proportional to 79,201.50, 118,808.01 and 29,953.50

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Solution

The fourth proportional to 79,201.50, 118,808.01 and 29,953.50 is: 44,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,201.50 : 118,808.01 = 29,953.50 : x
  2. Step 2: Convert to fraction form
    79,201.50/118,808.01 = 29,953.50/x
  3. Step 3: Cross multiply
    79,201.50x = 118,808.01 × 29,953.50
  4. Step 4: Simplify right side
    79,201.50x = 3,558,715,727.54
  5. Step 5: Solve for x
    x = 3,558,715,727.54/79,201.50
  6. Step 6: Final answer
    x = 44,932.43

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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.