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Finding the Fourth Proportional to 271,718.65, 407,591.08 and 89,345.41

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Solution

The fourth proportional to 271,718.65, 407,591.08 and 89,345.41 is: 134,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,718.65 : 407,591.08 = 89,345.41 : x
  2. Step 2: Convert to fraction form
    271,718.65/407,591.08 = 89,345.41/x
  3. Step 3: Cross multiply
    271,718.65x = 407,591.08 × 89,345.41
  4. Step 4: Simplify right side
    271,718.65x = 36,416,392,950.56
  5. Step 5: Solve for x
    x = 36,416,392,950.56/271,718.65
  6. Step 6: Final answer
    x = 134,022.43

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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.