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Finding the Fourth Proportional to 246,699.69, 340,448.36 and 144,726.89

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Solution

The fourth proportional to 246,699.69, 340,448.36 and 144,726.89 is: 199,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,699.69 : 340,448.36 = 144,726.89 : x
  2. Step 2: Convert to fraction form
    246,699.69/340,448.36 = 144,726.89/x
  3. Step 3: Cross multiply
    246,699.69x = 340,448.36 × 144,726.89
  4. Step 4: Simplify right side
    246,699.69x = 49,272,031,859.10
  5. Step 5: Solve for x
    x = 49,272,031,859.10/246,699.69
  6. Step 6: Final answer
    x = 199,724.74

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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.