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Finding the Fourth Proportional to 123,773.22, 170,792.87 and 69,317.82

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Solution

The fourth proportional to 123,773.22, 170,792.87 and 69,317.82 is: 95,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,773.22 : 170,792.87 = 69,317.82 : x
  2. Step 2: Convert to fraction form
    123,773.22/170,792.87 = 69,317.82/x
  3. Step 3: Cross multiply
    123,773.22x = 170,792.87 × 69,317.82
  4. Step 4: Simplify right side
    123,773.22x = 11,838,989,073.35
  5. Step 5: Solve for x
    x = 11,838,989,073.35/123,773.22
  6. Step 6: Final answer
    x = 95,650.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.