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Finding the Fourth Proportional to 122,269.80, 183,397.14 and 43,373.64

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Solution

The fourth proportional to 122,269.80, 183,397.14 and 43,373.64 is: 65,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,269.80 : 183,397.14 = 43,373.64 : x
  2. Step 2: Convert to fraction form
    122,269.80/183,397.14 = 43,373.64/x
  3. Step 3: Cross multiply
    122,269.80x = 183,397.14 × 43,373.64
  4. Step 4: Simplify right side
    122,269.80x = 7,954,601,527.39
  5. Step 5: Solve for x
    x = 7,954,601,527.39/122,269.80
  6. Step 6: Final answer
    x = 65,057.78

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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.