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Finding the Fourth Proportional to 68,577.28, 102,795.52 and 33,473.76

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Solution

The fourth proportional to 68,577.28, 102,795.52 and 33,473.76 is: 50,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,577.28 : 102,795.52 = 33,473.76 : x
  2. Step 2: Convert to fraction form
    68,577.28/102,795.52 = 33,473.76/x
  3. Step 3: Cross multiply
    68,577.28x = 102,795.52 × 33,473.76
  4. Step 4: Simplify right side
    68,577.28x = 3,440,952,565.56
  5. Step 5: Solve for x
    x = 3,440,952,565.56/68,577.28
  6. Step 6: Final answer
    x = 50,176.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.