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Finding the Fourth Proportional to 242,453.60, 363,737.52 and 76,241.60

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Solution

The fourth proportional to 242,453.60, 363,737.52 and 76,241.60 is: 114,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,453.60 : 363,737.52 = 76,241.60 : x
  2. Step 2: Convert to fraction form
    242,453.60/363,737.52 = 76,241.60/x
  3. Step 3: Cross multiply
    242,453.60x = 363,737.52 × 76,241.60
  4. Step 4: Simplify right side
    242,453.60x = 27,731,930,504.83
  5. Step 5: Solve for x
    x = 27,731,930,504.83/242,453.60
  6. Step 6: Final answer
    x = 114,380.36

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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.