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Finding the Fourth Proportional to 219,102.76, 328,514.82 and 92,676.88

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Solution

The fourth proportional to 219,102.76, 328,514.82 and 92,676.88 is: 138,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,102.76 : 328,514.82 = 92,676.88 : x
  2. Step 2: Convert to fraction form
    219,102.76/328,514.82 = 92,676.88/x
  3. Step 3: Cross multiply
    219,102.76x = 328,514.82 × 92,676.88
  4. Step 4: Simplify right side
    219,102.76x = 30,445,728,551.36
  5. Step 5: Solve for x
    x = 30,445,728,551.36/219,102.76
  6. Step 6: Final answer
    x = 138,956.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.