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Finding the Fourth Proportional to 246,488.89, 340,154.90 and 133,311.64

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Solution

The fourth proportional to 246,488.89, 340,154.90 and 133,311.64 is: 183,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,488.89 : 340,154.90 = 133,311.64 : x
  2. Step 2: Convert to fraction form
    246,488.89/340,154.90 = 133,311.64/x
  3. Step 3: Cross multiply
    246,488.89x = 340,154.90 × 133,311.64
  4. Step 4: Simplify right side
    246,488.89x = 45,346,606,906.48
  5. Step 5: Solve for x
    x = 45,346,606,906.48/246,488.89
  6. Step 6: Final answer
    x = 183,970.19

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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.