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Finding the Fourth Proportional to 171,586.64, 257,380.68 and 167,439.44

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Solution

The fourth proportional to 171,586.64, 257,380.68 and 167,439.44 is: 251,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,586.64 : 257,380.68 = 167,439.44 : x
  2. Step 2: Convert to fraction form
    171,586.64/257,380.68 = 167,439.44/x
  3. Step 3: Cross multiply
    171,586.64x = 257,380.68 × 167,439.44
  4. Step 4: Simplify right side
    171,586.64x = 43,095,676,926.02
  5. Step 5: Solve for x
    x = 43,095,676,926.02/171,586.64
  6. Step 6: Final answer
    x = 251,159.86

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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.