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Finding the Fourth Proportional to 92,586.70, 127,769.01 and 50,144.38

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Solution

The fourth proportional to 92,586.70, 127,769.01 and 50,144.38 is: 69,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,586.70 : 127,769.01 = 50,144.38 : x
  2. Step 2: Convert to fraction form
    92,586.70/127,769.01 = 50,144.38/x
  3. Step 3: Cross multiply
    92,586.70x = 127,769.01 × 50,144.38
  4. Step 4: Simplify right side
    92,586.70x = 6,406,897,789.66
  5. Step 5: Solve for x
    x = 6,406,897,789.66/92,586.70
  6. Step 6: Final answer
    x = 69,198.90

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1.5x scale

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.