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Finding the Fourth Proportional to 67,578.94, 101,410.11 and 34,322.88

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Solution

The fourth proportional to 67,578.94, 101,410.11 and 34,322.88 is: 51,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,578.94 : 101,410.11 = 34,322.88 : x
  2. Step 2: Convert to fraction form
    67,578.94/101,410.11 = 34,322.88/x
  3. Step 3: Cross multiply
    67,578.94x = 101,410.11 × 34,322.88
  4. Step 4: Simplify right side
    67,578.94x = 3,480,686,416.16
  5. Step 5: Solve for x
    x = 3,480,686,416.16/67,578.94
  6. Step 6: Final answer
    x = 51,505.49

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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.