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Finding the Fourth Proportional to 67,811.64, 101,717.46 and 26,258.64

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Solution

The fourth proportional to 67,811.64, 101,717.46 and 26,258.64 is: 39,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.64 : 101,717.46 = 26,258.64 : x
  2. Step 2: Convert to fraction form
    67,811.64/101,717.46 = 26,258.64/x
  3. Step 3: Cross multiply
    67,811.64x = 101,717.46 × 26,258.64
  4. Step 4: Simplify right side
    67,811.64x = 2,670,962,163.85
  5. Step 5: Solve for x
    x = 2,670,962,163.85/67,811.64
  6. Step 6: Final answer
    x = 39,387.96

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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.