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Finding the Fourth Proportional to 250,568.38, 375,907.85 and 73,089.28

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Solution

The fourth proportional to 250,568.38, 375,907.85 and 73,089.28 is: 109,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,568.38 : 375,907.85 = 73,089.28 : x
  2. Step 2: Convert to fraction form
    250,568.38/375,907.85 = 73,089.28/x
  3. Step 3: Cross multiply
    250,568.38x = 375,907.85 × 73,089.28
  4. Step 4: Simplify right side
    250,568.38x = 27,474,832,223.31
  5. Step 5: Solve for x
    x = 27,474,832,223.31/250,568.38
  6. Step 6: Final answer
    x = 109,650.04

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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.