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Finding the Fourth Proportional to 173,687.74, 239,613 and 102,035.44

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Solution

The fourth proportional to 173,687.74, 239,613 and 102,035.44 is: 140,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,687.74 : 239,613 = 102,035.44 : x
  2. Step 2: Convert to fraction form
    173,687.74/239,613 = 102,035.44/x
  3. Step 3: Cross multiply
    173,687.74x = 239,613 × 102,035.44
  4. Step 4: Simplify right side
    173,687.74x = 24,449,017,884.72
  5. Step 5: Solve for x
    x = 24,449,017,884.72/173,687.74
  6. Step 6: Final answer
    x = 140,764.21

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1.5x scale

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.