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Finding the Fourth Proportional to 67,811.25, 101,716.89 and 26,258.25

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Solution

The fourth proportional to 67,811.25, 101,716.89 and 26,258.25 is: 39,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.25 : 101,716.89 = 26,258.25 : x
  2. Step 2: Convert to fraction form
    67,811.25/101,716.89 = 26,258.25/x
  3. Step 3: Cross multiply
    67,811.25x = 101,716.89 × 26,258.25
  4. Step 4: Simplify right side
    67,811.25x = 2,670,907,526.84
  5. Step 5: Solve for x
    x = 2,670,907,526.84/67,811.25
  6. Step 6: Final answer
    x = 39,387.38

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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.