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Finding the Fourth Proportional to 123,887.70, 173,792.70 and 123,887.70

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Solution

The fourth proportional to 123,887.70, 173,792.70 and 123,887.70 is: 173,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,887.70 : 173,792.70 = 123,887.70 : x
  2. Step 2: Convert to fraction form
    123,887.70/173,792.70 = 123,887.70/x
  3. Step 3: Cross multiply
    123,887.70x = 173,792.70 × 123,887.70
  4. Step 4: Simplify right side
    123,887.70x = 21,530,777,879.79
  5. Step 5: Solve for x
    x = 21,530,777,879.79/123,887.70
  6. Step 6: Final answer
    x = 173,792.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.