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Finding the Fourth Proportional to 68,973.62, 103,491.99 and 35,675.64

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Solution

The fourth proportional to 68,973.62, 103,491.99 and 35,675.64 is: 53,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,973.62 : 103,491.99 = 35,675.64 : x
  2. Step 2: Convert to fraction form
    68,973.62/103,491.99 = 35,675.64/x
  3. Step 3: Cross multiply
    68,973.62x = 103,491.99 × 35,675.64
  4. Step 4: Simplify right side
    68,973.62x = 3,692,142,978.12
  5. Step 5: Solve for x
    x = 3,692,142,978.12/68,973.62
  6. Step 6: Final answer
    x = 53,529.79

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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.