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Finding the Fourth Proportional to 250,718.31, 376,078.28 and 63,729.81

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Solution

The fourth proportional to 250,718.31, 376,078.28 and 63,729.81 is: 95,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,718.31 : 376,078.28 = 63,729.81 : x
  2. Step 2: Convert to fraction form
    250,718.31/376,078.28 = 63,729.81/x
  3. Step 3: Cross multiply
    250,718.31x = 376,078.28 × 63,729.81
  4. Step 4: Simplify right side
    250,718.31x = 23,967,397,010.88
  5. Step 5: Solve for x
    x = 23,967,397,010.88/250,718.31
  6. Step 6: Final answer
    x = 95,594.92

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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.