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Finding the Fourth Proportional to 187,379.58, 258,590.42 and 106,794.10

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Solution

The fourth proportional to 187,379.58, 258,590.42 and 106,794.10 is: 147,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,379.58 : 258,590.42 = 106,794.10 : x
  2. Step 2: Convert to fraction form
    187,379.58/258,590.42 = 106,794.10/x
  3. Step 3: Cross multiply
    187,379.58x = 258,590.42 × 106,794.10
  4. Step 4: Simplify right side
    187,379.58x = 27,615,930,508.41
  5. Step 5: Solve for x
    x = 27,615,930,508.41/187,379.58
  6. Step 6: Final answer
    x = 147,379.62

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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.