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Finding the Fourth Proportional to 176,597.71, 264,541.48 and 81,694.67

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Solution

The fourth proportional to 176,597.71, 264,541.48 and 81,694.67 is: 122,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,597.71 : 264,541.48 = 81,694.67 : x
  2. Step 2: Convert to fraction form
    176,597.71/264,541.48 = 81,694.67/x
  3. Step 3: Cross multiply
    176,597.71x = 264,541.48 × 81,694.67
  4. Step 4: Simplify right side
    176,597.71x = 21,611,627,382.97
  5. Step 5: Solve for x
    x = 21,611,627,382.97/176,597.71
  6. Step 6: Final answer
    x = 122,377.73

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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.