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Finding the Fourth Proportional to 161,227.60, 241,726.20 and 72,408.40

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Solution

The fourth proportional to 161,227.60, 241,726.20 and 72,408.40 is: 108,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,227.60 : 241,726.20 = 72,408.40 : x
  2. Step 2: Convert to fraction form
    161,227.60/241,726.20 = 72,408.40/x
  3. Step 3: Cross multiply
    161,227.60x = 241,726.20 × 72,408.40
  4. Step 4: Simplify right side
    161,227.60x = 17,503,007,380.08
  5. Step 5: Solve for x
    x = 17,503,007,380.08/161,227.60
  6. Step 6: Final answer
    x = 108,560.86

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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.