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Finding the Fourth Proportional to 67,431.96, 101,135.40 and 22,454.01

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Solution

The fourth proportional to 67,431.96, 101,135.40 and 22,454.01 is: 33,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,431.96 : 101,135.40 = 22,454.01 : x
  2. Step 2: Convert to fraction form
    67,431.96/101,135.40 = 22,454.01/x
  3. Step 3: Cross multiply
    67,431.96x = 101,135.40 × 22,454.01
  4. Step 4: Simplify right side
    67,431.96x = 2,270,895,282.95
  5. Step 5: Solve for x
    x = 2,270,895,282.95/67,431.96
  6. Step 6: Final answer
    x = 33,676.84

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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.