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Finding the Fourth Proportional to 141,754.60, 212,660.70 and 48,269.80

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Solution

The fourth proportional to 141,754.60, 212,660.70 and 48,269.80 is: 72,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,754.60 : 212,660.70 = 48,269.80 : x
  2. Step 2: Convert to fraction form
    141,754.60/212,660.70 = 48,269.80/x
  3. Step 3: Cross multiply
    141,754.60x = 212,660.70 × 48,269.80
  4. Step 4: Simplify right side
    141,754.60x = 10,265,089,456.86
  5. Step 5: Solve for x
    x = 10,265,089,456.86/141,754.60
  6. Step 6: Final answer
    x = 72,414.51

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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.