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Finding the Fourth Proportional to 67,540.76, 101,313.88 and 25,416.41

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Solution

The fourth proportional to 67,540.76, 101,313.88 and 25,416.41 is: 38,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,540.76 : 101,313.88 = 25,416.41 : x
  2. Step 2: Convert to fraction form
    67,540.76/101,313.88 = 25,416.41/x
  3. Step 3: Cross multiply
    67,540.76x = 101,313.88 × 25,416.41
  4. Step 4: Simplify right side
    67,540.76x = 2,575,035,184.03
  5. Step 5: Solve for x
    x = 2,575,035,184.03/67,540.76
  6. Step 6: Final answer
    x = 38,125.64

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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.