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Finding the Fourth Proportional to 276,969.35, 382,532.98 and 186,167.67

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Solution

The fourth proportional to 276,969.35, 382,532.98 and 186,167.67 is: 257,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,969.35 : 382,532.98 = 186,167.67 : x
  2. Step 2: Convert to fraction form
    276,969.35/382,532.98 = 186,167.67/x
  3. Step 3: Cross multiply
    276,969.35x = 382,532.98 × 186,167.67
  4. Step 4: Simplify right side
    276,969.35x = 71,215,273,584.76
  5. Step 5: Solve for x
    x = 71,215,273,584.76/276,969.35
  6. Step 6: Final answer
    x = 257,123.30

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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.