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Finding the Fourth Proportional to 273,262.95, 409,675.73 and 115,361.55

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Solution

The fourth proportional to 273,262.95, 409,675.73 and 115,361.55 is: 172,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,262.95 : 409,675.73 = 115,361.55 : x
  2. Step 2: Convert to fraction form
    273,262.95/409,675.73 = 115,361.55/x
  3. Step 3: Cross multiply
    273,262.95x = 409,675.73 × 115,361.55
  4. Step 4: Simplify right side
    273,262.95x = 47,260,826,633.37
  5. Step 5: Solve for x
    x = 47,260,826,633.37/273,262.95
  6. Step 6: Final answer
    x = 172,950.00

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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.