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Finding the Fourth Proportional to 468,123.73, 702,185.70 and 113,137.71

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Solution

The fourth proportional to 468,123.73, 702,185.70 and 113,137.71 is: 169,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,123.73 : 702,185.70 = 113,137.71 : x
  2. Step 2: Convert to fraction form
    468,123.73/702,185.70 = 113,137.71/x
  3. Step 3: Cross multiply
    468,123.73x = 702,185.70 × 113,137.71
  4. Step 4: Simplify right side
    468,123.73x = 79,443,682,092.75
  5. Step 5: Solve for x
    x = 79,443,682,092.75/468,123.73
  6. Step 6: Final answer
    x = 169,706.59

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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.