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Finding the Fourth Proportional to 325,342.60, 488,093.90 and 112,113.80

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Solution

The fourth proportional to 325,342.60, 488,093.90 and 112,113.80 is: 168,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,342.60 : 488,093.90 = 112,113.80 : x
  2. Step 2: Convert to fraction form
    325,342.60/488,093.90 = 112,113.80/x
  3. Step 3: Cross multiply
    325,342.60x = 488,093.90 × 112,113.80
  4. Step 4: Simplify right side
    325,342.60x = 54,722,061,885.82
  5. Step 5: Solve for x
    x = 54,722,061,885.82/325,342.60
  6. Step 6: Final answer
    x = 168,198.27

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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.