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Finding the Fourth Proportional to 271,719.60, 407,773.80 and 114,061.20

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Solution

The fourth proportional to 271,719.60, 407,773.80 and 114,061.20 is: 171,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,719.60 : 407,773.80 = 114,061.20 : x
  2. Step 2: Convert to fraction form
    271,719.60/407,773.80 = 114,061.20/x
  3. Step 3: Cross multiply
    271,719.60x = 407,773.80 × 114,061.20
  4. Step 4: Simplify right side
    271,719.60x = 46,511,168,956.56
  5. Step 5: Solve for x
    x = 46,511,168,956.56/271,719.60
  6. Step 6: Final answer
    x = 171,173.40

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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.