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Finding the Fourth Proportional to 250,804.62, 376,199.64 and 73,315.80

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Solution

The fourth proportional to 250,804.62, 376,199.64 and 73,315.80 is: 109,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,804.62 : 376,199.64 = 73,315.80 : x
  2. Step 2: Convert to fraction form
    250,804.62/376,199.64 = 73,315.80/x
  3. Step 3: Cross multiply
    250,804.62x = 376,199.64 × 73,315.80
  4. Step 4: Simplify right side
    250,804.62x = 27,581,377,566.31
  5. Step 5: Solve for x
    x = 27,581,377,566.31/250,804.62
  6. Step 6: Final answer
    x = 109,971.57

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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.