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Finding the Fourth Proportional to 169,198.35, 253,788.18 and 56,866.97

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Solution

The fourth proportional to 169,198.35, 253,788.18 and 56,866.97 is: 85,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,198.35 : 253,788.18 = 56,866.97 : x
  2. Step 2: Convert to fraction form
    169,198.35/253,788.18 = 56,866.97/x
  3. Step 3: Cross multiply
    169,198.35x = 253,788.18 × 56,866.97
  4. Step 4: Simplify right side
    169,198.35x = 14,432,164,818.41
  5. Step 5: Solve for x
    x = 14,432,164,818.41/169,198.35
  6. Step 6: Final answer
    x = 85,297.31

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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.