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Finding the Fourth Proportional to 169,912.96, 254,877.44 and 51,601.28

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Solution

The fourth proportional to 169,912.96, 254,877.44 and 51,601.28 is: 77,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,912.96 : 254,877.44 = 51,601.28 : x
  2. Step 2: Convert to fraction form
    169,912.96/254,877.44 = 51,601.28/x
  3. Step 3: Cross multiply
    169,912.96x = 254,877.44 × 51,601.28
  4. Step 4: Simplify right side
    169,912.96x = 13,152,002,147.12
  5. Step 5: Solve for x
    x = 13,152,002,147.12/169,912.96
  6. Step 6: Final answer
    x = 77,404.35

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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.