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Finding the Fourth Proportional to 68,417.28, 94,415.94 and 41,552.64

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Solution

The fourth proportional to 68,417.28, 94,415.94 and 41,552.64 is: 57,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,417.28 : 94,415.94 = 41,552.64 : x
  2. Step 2: Convert to fraction form
    68,417.28/94,415.94 = 41,552.64/x
  3. Step 3: Cross multiply
    68,417.28x = 94,415.94 × 41,552.64
  4. Step 4: Simplify right side
    68,417.28x = 3,923,231,565.08
  5. Step 5: Solve for x
    x = 3,923,231,565.08/68,417.28
  6. Step 6: Final answer
    x = 57,342.70

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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.