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Finding the Fourth Proportional to 117,622, 176,462.70 and 51,045.94

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Solution

The fourth proportional to 117,622, 176,462.70 and 51,045.94 is: 76,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622 : 176,462.70 = 51,045.94 : x
  2. Step 2: Convert to fraction form
    117,622/176,462.70 = 51,045.94/x
  3. Step 3: Cross multiply
    117,622x = 176,462.70 × 51,045.94
  4. Step 4: Simplify right side
    117,622x = 9,007,704,396.44
  5. Step 5: Solve for x
    x = 9,007,704,396.44/117,622
  6. Step 6: Final answer
    x = 76,581.80

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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.