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Finding the Fourth Proportional to 176,659.53, 264,376.94 and 169,311.21

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Solution

The fourth proportional to 176,659.53, 264,376.94 and 169,311.21 is: 253,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,659.53 : 264,376.94 = 169,311.21 : x
  2. Step 2: Convert to fraction form
    176,659.53/264,376.94 = 169,311.21/x
  3. Step 3: Cross multiply
    176,659.53x = 264,376.94 × 169,311.21
  4. Step 4: Simplify right side
    176,659.53x = 44,761,978,760.94
  5. Step 5: Solve for x
    x = 44,761,978,760.94/176,659.53
  6. Step 6: Final answer
    x = 253,379.93

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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.