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Finding the Fourth Proportional to 67,448.76, 101,205.54 and 36,279.96

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Solution

The fourth proportional to 67,448.76, 101,205.54 and 36,279.96 is: 54,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,448.76 : 101,205.54 = 36,279.96 : x
  2. Step 2: Convert to fraction form
    67,448.76/101,205.54 = 36,279.96/x
  3. Step 3: Cross multiply
    67,448.76x = 101,205.54 × 36,279.96
  4. Step 4: Simplify right side
    67,448.76x = 3,671,732,942.98
  5. Step 5: Solve for x
    x = 3,671,732,942.98/67,448.76
  6. Step 6: Final answer
    x = 54,437.37

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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.