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Finding the Fourth Proportional to 251,686.20, 377,529.30 and 93,906.30

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Solution

The fourth proportional to 251,686.20, 377,529.30 and 93,906.30 is: 140,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,686.20 : 377,529.30 = 93,906.30 : x
  2. Step 2: Convert to fraction form
    251,686.20/377,529.30 = 93,906.30/x
  3. Step 3: Cross multiply
    251,686.20x = 377,529.30 × 93,906.30
  4. Step 4: Simplify right side
    251,686.20x = 35,452,379,704.59
  5. Step 5: Solve for x
    x = 35,452,379,704.59/251,686.20
  6. Step 6: Final answer
    x = 140,859.45

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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.