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Finding the Fourth Proportional to 169,777.01, 254,665.23 and 45,118.01

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Solution

The fourth proportional to 169,777.01, 254,665.23 and 45,118.01 is: 67,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,777.01 : 254,665.23 = 45,118.01 : x
  2. Step 2: Convert to fraction form
    169,777.01/254,665.23 = 45,118.01/x
  3. Step 3: Cross multiply
    169,777.01x = 254,665.23 × 45,118.01
  4. Step 4: Simplify right side
    169,777.01x = 11,489,987,120.47
  5. Step 5: Solve for x
    x = 11,489,987,120.47/169,777.01
  6. Step 6: Final answer
    x = 67,676.93

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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.