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Finding the Fourth Proportional to 246,306.96, 339,904.11 and 133,129.71

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Solution

The fourth proportional to 246,306.96, 339,904.11 and 133,129.71 is: 183,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,306.96 : 339,904.11 = 133,129.71 : x
  2. Step 2: Convert to fraction form
    246,306.96/339,904.11 = 133,129.71/x
  3. Step 3: Cross multiply
    246,306.96x = 339,904.11 × 133,129.71
  4. Step 4: Simplify right side
    246,306.96x = 45,251,336,091.34
  5. Step 5: Solve for x
    x = 45,251,336,091.34/246,306.96
  6. Step 6: Final answer
    x = 183,719.27

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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.