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Finding the Fourth Proportional to 263,460.80, 363,571.89 and 147,175.79

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Solution

The fourth proportional to 263,460.80, 363,571.89 and 147,175.79 is: 203,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,460.80 : 363,571.89 = 147,175.79 : x
  2. Step 2: Convert to fraction form
    263,460.80/363,571.89 = 147,175.79/x
  3. Step 3: Cross multiply
    263,460.80x = 363,571.89 × 147,175.79
  4. Step 4: Simplify right side
    263,460.80x = 53,508,980,132.54
  5. Step 5: Solve for x
    x = 53,508,980,132.54/263,460.80
  6. Step 6: Final answer
    x = 203,100.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.