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Finding the Fourth Proportional to 67,680.80, 101,496.36 and 23,294.96

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Solution

The fourth proportional to 67,680.80, 101,496.36 and 23,294.96 is: 34,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,680.80 : 101,496.36 = 23,294.96 : x
  2. Step 2: Convert to fraction form
    67,680.80/101,496.36 = 23,294.96/x
  3. Step 3: Cross multiply
    67,680.80x = 101,496.36 × 23,294.96
  4. Step 4: Simplify right side
    67,680.80x = 2,364,353,646.35
  5. Step 5: Solve for x
    x = 2,364,353,646.35/67,680.80
  6. Step 6: Final answer
    x = 34,933.89

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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.