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Finding the Fourth Proportional to 251,120.59, 376,683.98 and 73,631.11

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Solution

The fourth proportional to 251,120.59, 376,683.98 and 73,631.11 is: 110,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,120.59 : 376,683.98 = 73,631.11 : x
  2. Step 2: Convert to fraction form
    251,120.59/376,683.98 = 73,631.11/x
  3. Step 3: Cross multiply
    251,120.59x = 376,683.98 × 73,631.11
  4. Step 4: Simplify right side
    251,120.59x = 27,735,659,566.62
  5. Step 5: Solve for x
    x = 27,735,659,566.62/251,120.59
  6. Step 6: Final answer
    x = 110,447.57

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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.