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Finding the Fourth Proportional to 67,497.56, 101,256.02 and 20,754.36

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Solution

The fourth proportional to 67,497.56, 101,256.02 and 20,754.36 is: 31,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,497.56 : 101,256.02 = 20,754.36 : x
  2. Step 2: Convert to fraction form
    67,497.56/101,256.02 = 20,754.36/x
  3. Step 3: Cross multiply
    67,497.56x = 101,256.02 × 20,754.36
  4. Step 4: Simplify right side
    67,497.56x = 2,101,503,891.25
  5. Step 5: Solve for x
    x = 2,101,503,891.25/67,497.56
  6. Step 6: Final answer
    x = 31,134.52

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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.