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Finding the Fourth Proportional to 68,047.59, 93,906.14 and 41,190.32

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Solution

The fourth proportional to 68,047.59, 93,906.14 and 41,190.32 is: 56,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.59 : 93,906.14 = 41,190.32 : x
  2. Step 2: Convert to fraction form
    68,047.59/93,906.14 = 41,190.32/x
  3. Step 3: Cross multiply
    68,047.59x = 93,906.14 × 41,190.32
  4. Step 4: Simplify right side
    68,047.59x = 3,868,023,985.38
  5. Step 5: Solve for x
    x = 3,868,023,985.38/68,047.59
  6. Step 6: Final answer
    x = 56,842.92

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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.