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Finding the Fourth Proportional to 251,860.80, 377,499.60 and 102,002.70

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Solution

The fourth proportional to 251,860.80, 377,499.60 and 102,002.70 is: 152,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,860.80 : 377,499.60 = 102,002.70 : x
  2. Step 2: Convert to fraction form
    251,860.80/377,499.60 = 102,002.70/x
  3. Step 3: Cross multiply
    251,860.80x = 377,499.60 × 102,002.70
  4. Step 4: Simplify right side
    251,860.80x = 38,505,978,448.92
  5. Step 5: Solve for x
    x = 38,505,978,448.92/251,860.80
  6. Step 6: Final answer
    x = 152,885.95

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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.