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Finding the Fourth Proportional to 246,487.76, 340,153.10 and 133,310.50

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Solution

The fourth proportional to 246,487.76, 340,153.10 and 133,310.50 is: 183,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,487.76 : 340,153.10 = 133,310.50 : x
  2. Step 2: Convert to fraction form
    246,487.76/340,153.10 = 133,310.50/x
  3. Step 3: Cross multiply
    246,487.76x = 340,153.10 × 133,310.50
  4. Step 4: Simplify right side
    246,487.76x = 45,345,979,837.55
  5. Step 5: Solve for x
    x = 45,345,979,837.55/246,487.76
  6. Step 6: Final answer
    x = 183,968.49

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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.