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Finding the Fourth Proportional to 68,270.34, 102,451.95 and 41,894.58

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Solution

The fourth proportional to 68,270.34, 102,451.95 and 41,894.58 is: 62,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,270.34 : 102,451.95 = 41,894.58 : x
  2. Step 2: Convert to fraction form
    68,270.34/102,451.95 = 41,894.58/x
  3. Step 3: Cross multiply
    68,270.34x = 102,451.95 × 41,894.58
  4. Step 4: Simplify right side
    68,270.34x = 4,292,181,415.43
  5. Step 5: Solve for x
    x = 4,292,181,415.43/68,270.34
  6. Step 6: Final answer
    x = 62,870.37

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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.