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Finding the Fourth Proportional to 271,744.58, 407,246.22 and 103,174.64

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Solution

The fourth proportional to 271,744.58, 407,246.22 and 103,174.64 is: 154,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,744.58 : 407,246.22 = 103,174.64 : x
  2. Step 2: Convert to fraction form
    271,744.58/407,246.22 = 103,174.64/x
  3. Step 3: Cross multiply
    271,744.58x = 407,246.22 × 103,174.64
  4. Step 4: Simplify right side
    271,744.58x = 42,017,482,139.86
  5. Step 5: Solve for x
    x = 42,017,482,139.86/271,744.58
  6. Step 6: Final answer
    x = 154,621.23

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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.