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Finding the Fourth Proportional to 69,202.76, 95,500.02 and 40,136.76

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Solution

The fourth proportional to 69,202.76, 95,500.02 and 40,136.76 is: 55,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,202.76 : 95,500.02 = 40,136.76 : x
  2. Step 2: Convert to fraction form
    69,202.76/95,500.02 = 40,136.76/x
  3. Step 3: Cross multiply
    69,202.76x = 95,500.02 × 40,136.76
  4. Step 4: Simplify right side
    69,202.76x = 3,833,061,382.74
  5. Step 5: Solve for x
    x = 3,833,061,382.74/69,202.76
  6. Step 6: Final answer
    x = 55,388.85

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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.