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Finding the Fourth Proportional to 176,515.94, 264,625.10 and 76,600.87

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Solution

The fourth proportional to 176,515.94, 264,625.10 and 76,600.87 is: 114,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,515.94 : 264,625.10 = 76,600.87 : x
  2. Step 2: Convert to fraction form
    176,515.94/264,625.10 = 76,600.87/x
  3. Step 3: Cross multiply
    176,515.94x = 264,625.10 × 76,600.87
  4. Step 4: Simplify right side
    176,515.94x = 20,270,511,177.71
  5. Step 5: Solve for x
    x = 20,270,511,177.71/176,515.94
  6. Step 6: Final answer
    x = 114,836.72

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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.