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Finding the Fourth Proportional to 246,906, 340,730.28 and 133,729.56

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Solution

The fourth proportional to 246,906, 340,730.28 and 133,729.56 is: 184,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,906 : 340,730.28 = 133,729.56 : x
  2. Step 2: Convert to fraction form
    246,906/340,730.28 = 133,729.56/x
  3. Step 3: Cross multiply
    246,906x = 340,730.28 × 133,729.56
  4. Step 4: Simplify right side
    246,906x = 45,565,710,423.08
  5. Step 5: Solve for x
    x = 45,565,710,423.08/246,906
  6. Step 6: Final answer
    x = 184,546.79

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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.