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Finding the Fourth Proportional to 68,112.16, 94,003.08 and 41,254

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Solution

The fourth proportional to 68,112.16, 94,003.08 and 41,254 is: 56,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.16 : 94,003.08 = 41,254 : x
  2. Step 2: Convert to fraction form
    68,112.16/94,003.08 = 41,254/x
  3. Step 3: Cross multiply
    68,112.16x = 94,003.08 × 41,254
  4. Step 4: Simplify right side
    68,112.16x = 3,878,003,062.32
  5. Step 5: Solve for x
    x = 3,878,003,062.32/68,112.16
  6. Step 6: Final answer
    x = 56,935.55

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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.