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Finding the Fourth Proportional to 271,610.70, 407,464.65 and 113,855.10

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Solution

The fourth proportional to 271,610.70, 407,464.65 and 113,855.10 is: 170,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,610.70 : 407,464.65 = 113,855.10 : x
  2. Step 2: Convert to fraction form
    271,610.70/407,464.65 = 113,855.10/x
  3. Step 3: Cross multiply
    271,610.70x = 407,464.65 × 113,855.10
  4. Step 4: Simplify right side
    271,610.70x = 46,391,928,472.22
  5. Step 5: Solve for x
    x = 46,391,928,472.22/271,610.70
  6. Step 6: Final answer
    x = 170,803.02

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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.