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Finding the Fourth Proportional to 246,668.80, 340,294.32 and 144,642.46

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Solution

The fourth proportional to 246,668.80, 340,294.32 and 144,642.46 is: 199,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,668.80 : 340,294.32 = 144,642.46 : x
  2. Step 2: Convert to fraction form
    246,668.80/340,294.32 = 144,642.46/x
  3. Step 3: Cross multiply
    246,668.80x = 340,294.32 × 144,642.46
  4. Step 4: Simplify right side
    246,668.80x = 49,221,007,568.83
  5. Step 5: Solve for x
    x = 49,221,007,568.83/246,668.80
  6. Step 6: Final answer
    x = 199,542.90

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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.