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Finding the Fourth Proportional to 169,933.31, 254,900.37 and 51,605.54

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Solution

The fourth proportional to 169,933.31, 254,900.37 and 51,605.54 is: 77,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,933.31 : 254,900.37 = 51,605.54 : x
  2. Step 2: Convert to fraction form
    169,933.31/254,900.37 = 51,605.54/x
  3. Step 3: Cross multiply
    169,933.31x = 254,900.37 × 51,605.54
  4. Step 4: Simplify right side
    169,933.31x = 13,154,271,240.05
  5. Step 5: Solve for x
    x = 13,154,271,240.05/169,933.31
  6. Step 6: Final answer
    x = 77,408.43

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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.