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Finding the Fourth Proportional to 207,753.95, 311,384.88 and 95,339.42

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Solution

The fourth proportional to 207,753.95, 311,384.88 and 95,339.42 is: 142,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,753.95 : 311,384.88 = 95,339.42 : x
  2. Step 2: Convert to fraction form
    207,753.95/311,384.88 = 95,339.42/x
  3. Step 3: Cross multiply
    207,753.95x = 311,384.88 × 95,339.42
  4. Step 4: Simplify right side
    207,753.95x = 29,687,252,299.05
  5. Step 5: Solve for x
    x = 29,687,252,299.05/207,753.95
  6. Step 6: Final answer
    x = 142,896.21

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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.