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Finding the Fourth Proportional to 122,149.92, 183,224.88 and 43,245.28

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Solution

The fourth proportional to 122,149.92, 183,224.88 and 43,245.28 is: 64,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,149.92 : 183,224.88 = 43,245.28 : x
  2. Step 2: Convert to fraction form
    122,149.92/183,224.88 = 43,245.28/x
  3. Step 3: Cross multiply
    122,149.92x = 183,224.88 × 43,245.28
  4. Step 4: Simplify right side
    122,149.92x = 7,923,611,238.57
  5. Step 5: Solve for x
    x = 7,923,611,238.57/122,149.92
  6. Step 6: Final answer
    x = 64,867.92

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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.