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Finding the Fourth Proportional to 251,191.80, 376,848.45 and 73,704.60

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Solution

The fourth proportional to 251,191.80, 376,848.45 and 73,704.60 is: 110,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,191.80 : 376,848.45 = 73,704.60 : x
  2. Step 2: Convert to fraction form
    251,191.80/376,848.45 = 73,704.60/x
  3. Step 3: Cross multiply
    251,191.80x = 376,848.45 × 73,704.60
  4. Step 4: Simplify right side
    251,191.80x = 27,775,464,267.87
  5. Step 5: Solve for x
    x = 27,775,464,267.87/251,191.80
  6. Step 6: Final answer
    x = 110,574.73

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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.