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Finding the Fourth Proportional to 68,412.52, 94,383.28 and 41,544.88

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Solution

The fourth proportional to 68,412.52, 94,383.28 and 41,544.88 is: 57,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,412.52 : 94,383.28 = 41,544.88 : x
  2. Step 2: Convert to fraction form
    68,412.52/94,383.28 = 41,544.88/x
  3. Step 3: Cross multiply
    68,412.52x = 94,383.28 × 41,544.88
  4. Step 4: Simplify right side
    68,412.52x = 3,921,142,041.61
  5. Step 5: Solve for x
    x = 3,921,142,041.61/68,412.52
  6. Step 6: Final answer
    x = 57,316.15

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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.