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Finding the Fourth Proportional to 163,134.96, 225,075.79 and 95,103.78

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Solution

The fourth proportional to 163,134.96, 225,075.79 and 95,103.78 is: 131,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,134.96 : 225,075.79 = 95,103.78 : x
  2. Step 2: Convert to fraction form
    163,134.96/225,075.79 = 95,103.78/x
  3. Step 3: Cross multiply
    163,134.96x = 225,075.79 × 95,103.78
  4. Step 4: Simplify right side
    163,134.96x = 21,405,558,090.56
  5. Step 5: Solve for x
    x = 21,405,558,090.56/163,134.96
  6. Step 6: Final answer
    x = 131,213.80

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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.