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Finding the Fourth Proportional to 250,568.19, 375,907.56 and 73,089.09

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Solution

The fourth proportional to 250,568.19, 375,907.56 and 73,089.09 is: 109,649.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,568.19 : 375,907.56 = 73,089.09 : x
  2. Step 2: Convert to fraction form
    250,568.19/375,907.56 = 73,089.09/x
  3. Step 3: Cross multiply
    250,568.19x = 375,907.56 × 73,089.09
  4. Step 4: Simplify right side
    250,568.19x = 27,474,741,484.52
  5. Step 5: Solve for x
    x = 27,474,741,484.52/250,568.19
  6. Step 6: Final answer
    x = 109,649.76

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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.