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Finding the Fourth Proportional to 63,171.68, 94,746.12 and 16,421.68

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Solution

The fourth proportional to 63,171.68, 94,746.12 and 16,421.68 is: 24,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.68 : 94,746.12 = 16,421.68 : x
  2. Step 2: Convert to fraction form
    63,171.68/94,746.12 = 16,421.68/x
  3. Step 3: Cross multiply
    63,171.68x = 94,746.12 × 16,421.68
  4. Step 4: Simplify right side
    63,171.68x = 1,555,890,463.88
  5. Step 5: Solve for x
    x = 1,555,890,463.88/63,171.68
  6. Step 6: Final answer
    x = 24,629.56

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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.