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Finding the Fourth Proportional to 169,757.85, 254,663.19 and 51,401.01

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Solution

The fourth proportional to 169,757.85, 254,663.19 and 51,401.01 is: 77,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,757.85 : 254,663.19 = 51,401.01 : x
  2. Step 2: Convert to fraction form
    169,757.85/254,663.19 = 51,401.01/x
  3. Step 3: Cross multiply
    169,757.85x = 254,663.19 × 51,401.01
  4. Step 4: Simplify right side
    169,757.85x = 13,089,945,175.82
  5. Step 5: Solve for x
    x = 13,089,945,175.82/169,757.85
  6. Step 6: Final answer
    x = 77,109.51

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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.