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Finding the Fourth Proportional to 123,847.86, 170,924.64 and 73,546.86

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Solution

The fourth proportional to 123,847.86, 170,924.64 and 73,546.86 is: 101,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,847.86 : 170,924.64 = 73,546.86 : x
  2. Step 2: Convert to fraction form
    123,847.86/170,924.64 = 73,546.86/x
  3. Step 3: Cross multiply
    123,847.86x = 170,924.64 × 73,546.86
  4. Step 4: Simplify right side
    123,847.86x = 12,570,970,568.63
  5. Step 5: Solve for x
    x = 12,570,970,568.63/123,847.86
  6. Step 6: Final answer
    x = 101,503.33

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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.