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Finding the Fourth Proportional to 273,185.61, 409,544.67 and 104,826.75

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Solution

The fourth proportional to 273,185.61, 409,544.67 and 104,826.75 is: 157,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,185.61 : 409,544.67 = 104,826.75 : x
  2. Step 2: Convert to fraction form
    273,185.61/409,544.67 = 104,826.75/x
  3. Step 3: Cross multiply
    273,185.61x = 409,544.67 × 104,826.75
  4. Step 4: Simplify right side
    273,185.61x = 42,931,235,593.23
  5. Step 5: Solve for x
    x = 42,931,235,593.23/273,185.61
  6. Step 6: Final answer
    x = 157,150.43

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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.