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Finding the Fourth Proportional to 122,803.39, 184,205.09 and 43,912.83

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Solution

The fourth proportional to 122,803.39, 184,205.09 and 43,912.83 is: 65,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,803.39 : 184,205.09 = 43,912.83 : x
  2. Step 2: Convert to fraction form
    122,803.39/184,205.09 = 43,912.83/x
  3. Step 3: Cross multiply
    122,803.39x = 184,205.09 × 43,912.83
  4. Step 4: Simplify right side
    122,803.39x = 8,088,966,802.30
  5. Step 5: Solve for x
    x = 8,088,966,802.30/122,803.39
  6. Step 6: Final answer
    x = 65,869.25

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Similar ratio
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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.