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Finding the Fourth Proportional to 169,914.38, 254,855.10 and 51,586.74

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Solution

The fourth proportional to 169,914.38, 254,855.10 and 51,586.74 is: 77,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,914.38 : 254,855.10 = 51,586.74 : x
  2. Step 2: Convert to fraction form
    169,914.38/254,855.10 = 51,586.74/x
  3. Step 3: Cross multiply
    169,914.38x = 254,855.10 × 51,586.74
  4. Step 4: Simplify right side
    169,914.38x = 13,147,143,781.37
  5. Step 5: Solve for x
    x = 13,147,143,781.37/169,914.38
  6. Step 6: Final answer
    x = 77,375.11

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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.