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Finding the Fourth Proportional to 268,754.71, 370,872.20 and 147,884.70

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Solution

The fourth proportional to 268,754.71, 370,872.20 and 147,884.70 is: 204,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,754.71 : 370,872.20 = 147,884.70 : x
  2. Step 2: Convert to fraction form
    268,754.71/370,872.20 = 147,884.70/x
  3. Step 3: Cross multiply
    268,754.71x = 370,872.20 × 147,884.70
  4. Step 4: Simplify right side
    268,754.71x = 54,846,324,035.34
  5. Step 5: Solve for x
    x = 54,846,324,035.34/268,754.71
  6. Step 6: Final answer
    x = 204,075.77

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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.