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Finding the Fourth Proportional to 246,658.79, 340,390.80 and 144,744.59

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Solution

The fourth proportional to 246,658.79, 340,390.80 and 144,744.59 is: 199,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,658.79 : 340,390.80 = 144,744.59 : x
  2. Step 2: Convert to fraction form
    246,658.79/340,390.80 = 144,744.59/x
  3. Step 3: Cross multiply
    246,658.79x = 340,390.80 × 144,744.59
  4. Step 4: Simplify right side
    246,658.79x = 49,269,725,083.82
  5. Step 5: Solve for x
    x = 49,269,725,083.82/246,658.79
  6. Step 6: Final answer
    x = 199,748.51

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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.