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Finding the Fourth Proportional to 303,741.45, 455,606.03 and 79,096.92

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Solution

The fourth proportional to 303,741.45, 455,606.03 and 79,096.92 is: 118,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,741.45 : 455,606.03 = 79,096.92 : x
  2. Step 2: Convert to fraction form
    303,741.45/455,606.03 = 79,096.92/x
  3. Step 3: Cross multiply
    303,741.45x = 455,606.03 × 79,096.92
  4. Step 4: Simplify right side
    303,741.45x = 36,037,033,310.94
  5. Step 5: Solve for x
    x = 36,037,033,310.94/303,741.45
  6. Step 6: Final answer
    x = 118,643.78

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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.