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Finding the Fourth Proportional to 145,601.54, 218,454.84 and 50,845.68

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Solution

The fourth proportional to 145,601.54, 218,454.84 and 50,845.68 is: 76,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,601.54 : 218,454.84 = 50,845.68 : x
  2. Step 2: Convert to fraction form
    145,601.54/218,454.84 = 50,845.68/x
  3. Step 3: Cross multiply
    145,601.54x = 218,454.84 × 50,845.68
  4. Step 4: Simplify right side
    145,601.54x = 11,107,484,889.09
  5. Step 5: Solve for x
    x = 11,107,484,889.09/145,601.54
  6. Step 6: Final answer
    x = 76,286.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.