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Finding the Fourth Proportional to 250,551.42, 375,787.12 and 73,016.90

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Solution

The fourth proportional to 250,551.42, 375,787.12 and 73,016.90 is: 109,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,551.42 : 375,787.12 = 73,016.90 : x
  2. Step 2: Convert to fraction form
    250,551.42/375,787.12 = 73,016.90/x
  3. Step 3: Cross multiply
    250,551.42x = 375,787.12 × 73,016.90
  4. Step 4: Simplify right side
    250,551.42x = 27,438,810,562.33
  5. Step 5: Solve for x
    x = 27,438,810,562.33/250,551.42
  6. Step 6: Final answer
    x = 109,513.69

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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.