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Finding the Fourth Proportional to 68,206.76, 94,110.48 and 41,355.87

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Solution

The fourth proportional to 68,206.76, 94,110.48 and 41,355.87 is: 57,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,206.76 : 94,110.48 = 41,355.87 : x
  2. Step 2: Convert to fraction form
    68,206.76/94,110.48 = 41,355.87/x
  3. Step 3: Cross multiply
    68,206.76x = 94,110.48 × 41,355.87
  4. Step 4: Simplify right side
    68,206.76x = 3,892,020,776.52
  5. Step 5: Solve for x
    x = 3,892,020,776.52/68,206.76
  6. Step 6: Final answer
    x = 57,062.10

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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.