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Finding the Fourth Proportional to 246,651.20, 340,378.95 and 133,473.95

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Solution

The fourth proportional to 246,651.20, 340,378.95 and 133,473.95 is: 184,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,651.20 : 340,378.95 = 133,473.95 : x
  2. Step 2: Convert to fraction form
    246,651.20/340,378.95 = 133,473.95/x
  3. Step 3: Cross multiply
    246,651.20x = 340,378.95 × 133,473.95
  4. Step 4: Simplify right side
    246,651.20x = 45,431,721,251.46
  5. Step 5: Solve for x
    x = 45,431,721,251.46/246,651.20
  6. Step 6: Final answer
    x = 184,194.21

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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.