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Finding the Fourth Proportional to 66,717.83, 100,076.84 and 16,797.93

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Solution

The fourth proportional to 66,717.83, 100,076.84 and 16,797.93 is: 25,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,717.83 : 100,076.84 = 16,797.93 : x
  2. Step 2: Convert to fraction form
    66,717.83/100,076.84 = 16,797.93/x
  3. Step 3: Cross multiply
    66,717.83x = 100,076.84 × 16,797.93
  4. Step 4: Simplify right side
    66,717.83x = 1,681,083,794.94
  5. Step 5: Solve for x
    x = 1,681,083,794.94/66,717.83
  6. Step 6: Final answer
    x = 25,196.92

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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.