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Finding the Fourth Proportional to 147,682.50, 203,801.94 and 91,126.68

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Solution

The fourth proportional to 147,682.50, 203,801.94 and 91,126.68 is: 125,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,682.50 : 203,801.94 = 91,126.68 : x
  2. Step 2: Convert to fraction form
    147,682.50/203,801.94 = 91,126.68/x
  3. Step 3: Cross multiply
    147,682.50x = 203,801.94 × 91,126.68
  4. Step 4: Simplify right side
    147,682.50x = 18,571,794,169.76
  5. Step 5: Solve for x
    x = 18,571,794,169.76/147,682.50
  6. Step 6: Final answer
    x = 125,754.87

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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.