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Finding the Fourth Proportional to 67,308.88, 100,964.94 and 32,209.96

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Solution

The fourth proportional to 67,308.88, 100,964.94 and 32,209.96 is: 48,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,308.88 : 100,964.94 = 32,209.96 : x
  2. Step 2: Convert to fraction form
    67,308.88/100,964.94 = 32,209.96/x
  3. Step 3: Cross multiply
    67,308.88x = 100,964.94 × 32,209.96
  4. Step 4: Simplify right side
    67,308.88x = 3,252,076,678.80
  5. Step 5: Solve for x
    x = 3,252,076,678.80/67,308.88
  6. Step 6: Final answer
    x = 48,315.72

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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.