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Finding the Fourth Proportional to 175,282.64, 241,939.60 and 103,687.56

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Solution

The fourth proportional to 175,282.64, 241,939.60 and 103,687.56 is: 143,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,282.64 : 241,939.60 = 103,687.56 : x
  2. Step 2: Convert to fraction form
    175,282.64/241,939.60 = 103,687.56/x
  3. Step 3: Cross multiply
    175,282.64x = 241,939.60 × 103,687.56
  4. Step 4: Simplify right side
    175,282.64x = 25,086,126,791.38
  5. Step 5: Solve for x
    x = 25,086,126,791.38/175,282.64
  6. Step 6: Final answer
    x = 143,118.15

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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.