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Finding the Fourth Proportional to 246,491.30, 340,159.91 and 144,519.39

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Solution

The fourth proportional to 246,491.30, 340,159.91 and 144,519.39 is: 199,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,491.30 : 340,159.91 = 144,519.39 : x
  2. Step 2: Convert to fraction form
    246,491.30/340,159.91 = 144,519.39/x
  3. Step 3: Cross multiply
    246,491.30x = 340,159.91 × 144,519.39
  4. Step 4: Simplify right side
    246,491.30x = 49,159,701,973.06
  5. Step 5: Solve for x
    x = 49,159,701,973.06/246,491.30
  6. Step 6: Final answer
    x = 199,437.88

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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.