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Finding the Fourth Proportional to 247,590.60, 341,676.42 and 145,620.35

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Solution

The fourth proportional to 247,590.60, 341,676.42 and 145,620.35 is: 200,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,590.60 : 341,676.42 = 145,620.35 : x
  2. Step 2: Convert to fraction form
    247,590.60/341,676.42 = 145,620.35/x
  3. Step 3: Cross multiply
    247,590.60x = 341,676.42 × 145,620.35
  4. Step 4: Simplify right side
    247,590.60x = 49,755,040,966.41
  5. Step 5: Solve for x
    x = 49,755,040,966.41/247,590.60
  6. Step 6: Final answer
    x = 200,956.91

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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.