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Finding the Fourth Proportional to 76,461.98, 114,692.76 and 50,160.47

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Solution

The fourth proportional to 76,461.98, 114,692.76 and 50,160.47 is: 75,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,461.98 : 114,692.76 = 50,160.47 : x
  2. Step 2: Convert to fraction form
    76,461.98/114,692.76 = 50,160.47/x
  3. Step 3: Cross multiply
    76,461.98x = 114,692.76 × 50,160.47
  4. Step 4: Simplify right side
    76,461.98x = 5,753,042,173.73
  5. Step 5: Solve for x
    x = 5,753,042,173.73/76,461.98
  6. Step 6: Final answer
    x = 75,240.56

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1.5x scale

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.