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Finding the Fourth Proportional to 268,535.67, 370,571.84 and 147,676.96

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Solution

The fourth proportional to 268,535.67, 370,571.84 and 147,676.96 is: 203,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,535.67 : 370,571.84 = 147,676.96 : x
  2. Step 2: Convert to fraction form
    268,535.67/370,571.84 = 147,676.96/x
  3. Step 3: Cross multiply
    268,535.67x = 370,571.84 × 147,676.96
  4. Step 4: Simplify right side
    268,535.67x = 54,724,920,201.56
  5. Step 5: Solve for x
    x = 54,724,920,201.56/268,535.67
  6. Step 6: Final answer
    x = 203,790.13

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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.