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Finding the Fourth Proportional to 251,471.28, 377,245.88 and 118,365.60

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Solution

The fourth proportional to 251,471.28, 377,245.88 and 118,365.60 is: 177,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,471.28 : 377,245.88 = 118,365.60 : x
  2. Step 2: Convert to fraction form
    251,471.28/377,245.88 = 118,365.60/x
  3. Step 3: Cross multiply
    251,471.28x = 377,245.88 × 118,365.60
  4. Step 4: Simplify right side
    251,471.28x = 44,652,934,933.73
  5. Step 5: Solve for x
    x = 44,652,934,933.73/251,471.28
  6. Step 6: Final answer
    x = 177,566.74

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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.