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Finding the Fourth Proportional to 227,957.39, 342,034.50 and 122,755.40

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Solution

The fourth proportional to 227,957.39, 342,034.50 and 122,755.40 is: 184,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,957.39 : 342,034.50 = 122,755.40 : x
  2. Step 2: Convert to fraction form
    227,957.39/342,034.50 = 122,755.40/x
  3. Step 3: Cross multiply
    227,957.39x = 342,034.50 × 122,755.40
  4. Step 4: Simplify right side
    227,957.39x = 41,986,580,151.13
  5. Step 5: Solve for x
    x = 41,986,580,151.13/227,957.39
  6. Step 6: Final answer
    x = 184,186.09

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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.