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Finding the Fourth Proportional to 135,644.52, 203,492.30 and 54,597.74

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Solution

The fourth proportional to 135,644.52, 203,492.30 and 54,597.74 is: 81,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,644.52 : 203,492.30 = 54,597.74 : x
  2. Step 2: Convert to fraction form
    135,644.52/203,492.30 = 54,597.74/x
  3. Step 3: Cross multiply
    135,644.52x = 203,492.30 × 54,597.74
  4. Step 4: Simplify right side
    135,644.52x = 11,110,218,396.95
  5. Step 5: Solve for x
    x = 11,110,218,396.95/135,644.52
  6. Step 6: Final answer
    x = 81,906.87

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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.