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Finding the Fourth Proportional to 169,307.62, 254,003.72 and 119,485.03

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Solution

The fourth proportional to 169,307.62, 254,003.72 and 119,485.03 is: 179,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,307.62 : 254,003.72 = 119,485.03 : x
  2. Step 2: Convert to fraction form
    169,307.62/254,003.72 = 119,485.03/x
  3. Step 3: Cross multiply
    169,307.62x = 254,003.72 × 119,485.03
  4. Step 4: Simplify right side
    169,307.62x = 30,349,640,990.94
  5. Step 5: Solve for x
    x = 30,349,640,990.94/169,307.62
  6. Step 6: Final answer
    x = 179,257.38

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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.