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Finding the Fourth Proportional to 103,374.62, 142,616.26 and 59,738.38

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Solution

The fourth proportional to 103,374.62, 142,616.26 and 59,738.38 is: 82,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,374.62 : 142,616.26 = 59,738.38 : x
  2. Step 2: Convert to fraction form
    103,374.62/142,616.26 = 59,738.38/x
  3. Step 3: Cross multiply
    103,374.62x = 142,616.26 × 59,738.38
  4. Step 4: Simplify right side
    103,374.62x = 8,519,664,334.06
  5. Step 5: Solve for x
    x = 8,519,664,334.06/103,374.62
  6. Step 6: Final answer
    x = 82,415.44

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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.