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Finding the Fourth Proportional to 137,057.84, 205,532.30 and 52,771.30

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Solution

The fourth proportional to 137,057.84, 205,532.30 and 52,771.30 is: 79,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,057.84 : 205,532.30 = 52,771.30 : x
  2. Step 2: Convert to fraction form
    137,057.84/205,532.30 = 52,771.30/x
  3. Step 3: Cross multiply
    137,057.84x = 205,532.30 × 52,771.30
  4. Step 4: Simplify right side
    137,057.84x = 10,846,206,662.99
  5. Step 5: Solve for x
    x = 10,846,206,662.99/137,057.84
  6. Step 6: Final answer
    x = 79,135.98

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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.