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Finding the Fourth Proportional to 194,061.87, 267,716.88 and 140,261.67

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Solution

The fourth proportional to 194,061.87, 267,716.88 and 140,261.67 is: 193,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,061.87 : 267,716.88 = 140,261.67 : x
  2. Step 2: Convert to fraction form
    194,061.87/267,716.88 = 140,261.67/x
  3. Step 3: Cross multiply
    194,061.87x = 267,716.88 × 140,261.67
  4. Step 4: Simplify right side
    194,061.87x = 37,550,416,675.99
  5. Step 5: Solve for x
    x = 37,550,416,675.99/194,061.87
  6. Step 6: Final answer
    x = 193,497.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.