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Finding the Fourth Proportional to 175,609.44, 263,414.84 and 42,489.50

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Solution

The fourth proportional to 175,609.44, 263,414.84 and 42,489.50 is: 63,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,609.44 : 263,414.84 = 42,489.50 : x
  2. Step 2: Convert to fraction form
    175,609.44/263,414.84 = 42,489.50/x
  3. Step 3: Cross multiply
    175,609.44x = 263,414.84 × 42,489.50
  4. Step 4: Simplify right side
    175,609.44x = 11,192,363,314.66
  5. Step 5: Solve for x
    x = 11,192,363,314.66/175,609.44
  6. Step 6: Final answer
    x = 63,734.41

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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.