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Finding the Fourth Proportional to 146,954.88, 202,843.56 and 86,520.72

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Solution

The fourth proportional to 146,954.88, 202,843.56 and 86,520.72 is: 119,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,954.88 : 202,843.56 = 86,520.72 : x
  2. Step 2: Convert to fraction form
    146,954.88/202,843.56 = 86,520.72/x
  3. Step 3: Cross multiply
    146,954.88x = 202,843.56 × 86,520.72
  4. Step 4: Simplify right side
    146,954.88x = 17,550,170,858.56
  5. Step 5: Solve for x
    x = 17,550,170,858.56/146,954.88
  6. Step 6: Final answer
    x = 119,425.57

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1.5x scale

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.